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How Frozen Food Packaging Machines Seal and Safeguard Your Food

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How Frozen Food Packaging Machines Seal and Safeguard Your Food

How Frozen Food Packaging Machines Seal and Safeguard Your Food

You rely on a frozen food packaging machine to keep your food safe and fresh. A frozen food packaging machine uses advanced sealing methods like vacuum packing, heat sealing, and gas flushing to lock in product freshness and block moisture or contamination. With 58% of manufacturers choosing automated frozen food packaging machine equipment, you benefit from consistent preservation and extended shelf life. Automation and smart frozen food packaging machine technology also improve food safety by using AI for accurate shelf life testing and sensors that monitor packaging for frozen foods. Intelligent frozen food packaging machine systems help maintain packaging quality, enhance traceability, and reduce waste.

  • Smart frozen food packaging machine solutions increase efficiency and ensure compliance with safety standards.

  • Real-time monitoring with a frozen food packaging machine supports transparency and improves packaging outcomes for frozen foods.

Sealing Methods in Frozen Food Packaging Machines

Sealing Methods in Frozen Food Packaging Machines

Frozen food packaging machines use several advanced sealing methods to protect your food and maintain product freshness. Each method plays a unique role in keeping frozen food safe from contamination and spoilage. You can see how these packaging equipment solutions work together to deliver reliable preservation.

Table: Common Sealing Methods in Frozen Food Packaging Machines

Sealing Method

Description

Vacuum sealing

Removes air before sealing, reducing oxidation.

Modified Atmosphere Packaging (MAP)

Replaces oxygen with gases like nitrogen or carbon dioxide.

Induction sealing

Creates a hermetic seal using electromagnetic induction, ideal for liquids and powders.

Vacuum Packing

Vacuum packing stands out as one of the most effective techniques in frozen food packaging. You benefit from packaging equipment that removes air from the package before sealing. This process reduces oxidation and keeps your food safe.

Oxygen Removal

When you use vacuum packing, the machines extract almost all the oxygen from the packaging. Oxygen encourages bacteria and mold growth. By removing it, frozen food packaging machines create an environment where spoilage slows down. You get food that stays fresher for longer.

Shelf Life Extension

Vacuum packing extends shelf life in several ways:

  • You avoid freezer burn because the packaging equipment prevents exposure to cold, dry air.

  • Your food keeps its original taste and texture since vacuum sealing reduces oxidation.

  • You enjoy longer-lasting frozen food because bacteria and mold cannot thrive without oxygen.

Vacuum-packed frozen food packaging helps you maintain product freshness and quality over time.

Heat Sealing

Heat sealing is another key method used by frozen food packaging machines. This process uses heat to bond packaging materials together, forming a secure closure.

Airtight Seals

You rely on packaging equipment that creates airtight seals. The machines apply heat to the edges of the packaging, melting and fusing the material. This airtight barrier keeps out air and moisture, which are the main causes of spoilage.

Moisture Protection

Heat sealing also protects your food from moisture. Frozen food packaging must block water vapor to prevent ice crystals and freezer burn. With heat-sealed packaging, you get a strong shield against moisture, keeping your food safe and fresh.

Gas Flushing

Gas flushing, also known as Modified Atmosphere Packaging (MAP), uses packaging equipment to replace oxygen inside the package with inert gases like nitrogen or carbon dioxide.

Modified Atmosphere

Frozen food packaging machines flush out oxygen and introduce gases that do not support microbial growth. By reducing oxygen levels to 3% or less, the packaging equipment creates an inhospitable environment for bacteria and mold. Carbon dioxide adds antimicrobial properties, further boosting preservation.

Spoilage Prevention

Gas flushing helps you prevent spoilage in several ways:

  • The removal of oxygen delays the growth of microorganisms.

  • The combination of nitrogen and carbon dioxide fights bacteria and yeast.

  • You maintain food quality and extend shelf life with this advanced packaging method.

Frozen food packaging machines use these sealing methods to lock in product freshness and safeguard your food from contamination. You can trust modern packaging equipment to deliver reliable preservation and quality every time.

Shrink Wrapping

Shrink wrapping stands out as a reliable method for sealing and protecting frozen foods. You see this technique used across many frozen food products because it offers both flexibility and strong protection.

Film Application

Shrink wrapping uses a special plastic film that covers your frozen food. The machine wraps the film around the product and then applies heat. The film shrinks tightly, forming a secure layer that fits the shape of your food package.

  • You benefit from a barrier that keeps out dust, dirt, and moisture.

  • The film adapts to different product sizes, so you get consistent sealing whether you package single servings or bulk items.

  • Shrink wrapping uses FDA-approved materials, so you can trust that your food stays safe for direct contact.

Tip: Transparent shrink films also let you see the product inside, which helps with brand visibility and consumer confidence.

Tight Protection

Once the film shrinks, it creates a tight seal that locks in freshness and blocks out harmful elements. This seal protects your food during storage and transport.

  • You get a strong barrier against air and bacteria, which helps preserve freshness and flavor.

  • The tight wrap prevents exposure to moisture and air, which is crucial for maintaining food quality and preventing freezer burn.

  • Shrink wrapping provides a tamper-evident seal, so you know your food has not been opened or altered.

  • The packaging stands up to punctures and tears, keeping your food safe even during long-distance shipping.

  • Shrink wrapping is cost-effective because it reduces the need for extra packaging materials and lowers labor costs compared to carton packing.

You can rely on shrink wrapping to protect your frozen foods from dust, pests, and environmental damage. This method supports both short-term and long-term storage, making it a smart choice for food safety and quality. If you want to explore advanced shrink wrapping machines, you can find a range of options in the Stabake Food Machine product catalog.

Thermoforming and Tray Packaging

Thermoforming machines play a key role in frozen food packaging. You see these machines shape plastic sheets into sturdy trays that hold and protect your food. This process creates rigid packaging that stands up to the demands of freezing, storage, and transport.

Thermoforming Process

Plastic Sheet Heating

Thermoforming begins when the machine heats a flat plastic sheet until it becomes soft and flexible. You can watch as the sheet moves through the equipment, reaching the perfect temperature for molding. This step ensures the plastic will form a strong and even tray.

Tray Molding

Once the plastic sheet is ready, the machine presses it into a mold. The mold shapes the sheet into a tray that fits your frozen food. You get packaging that matches the size and shape of your product, which helps prevent movement and damage during shipping.

Tip: Rigid trays from thermoforming machines offer better protection than flexible bags, especially for delicate or oddly shaped foods.

Feature

Description

Crack Resistance

Thermoformed trays are designed to be crack-resistant, enhancing durability.

Rigid Structure

The trays maintain a rigid form, providing better support for frozen food.

Temperature Tolerance

Suitable for a wide range of temperatures, from -40°F to 180°F.

Puncture Resistance

Superior puncture resistance reduces the risk of packaging failures.

You benefit from trays that resist cracks and punctures. These trays also handle extreme temperatures, so your food stays safe from the factory to your freezer.

Tray Sealing

Secure Closure

After forming the tray, the machine seals it with a film or lid. This step locks in freshness and keeps out contaminants. You rely on secure closures to protect your food from spills and exposure to air.

  • Stainless steel construction makes cleaning easy.

  • Smooth surfaces help meet food safety standards.

  • Automated sealing reduces the chance of contamination.

Leak Prevention

A strong seal prevents leaks and keeps your frozen food safe during transport. The sealing process uses high-strength film that covers the tray tightly. You can open the package easily, but you know it stayed sealed until you needed it.

Feature

Description

Seals through contamination

Minimizes potential leaks

Maximum film strength

Protects products during distribution

Easy peel format

Facilitates user convenience

Thermoforming and tray packaging give you peace of mind. You know your food is protected by durable, leak-proof packaging. If you want to explore advanced tray packaging machines, you can find options in the Stabake Food Machine product catalog.

Frozen Food Packaging Machine Working Principles

Frozen food packaging machines use advanced working principles to deliver safe, efficient, and high-quality packaging for your frozen foods. You benefit from these systems because they combine automation, precision, and hygiene to ensure product freshness and reliable preservation.

Horizontal Feeding

Conveyor Systems

You see conveyor systems at the heart of every modern frozen food packaging machine. These systems move your products smoothly and efficiently through each stage of the packaging process. Synchronized conveyors keep items spaced evenly and aligned as they enter the machine. This design reduces the risk of jams or misalignment, which helps maximize output and maintain a steady product flow. When you use packaging equipment with advanced conveyor systems, you increase throughput and reduce downtime.

Tip: Horizontal feeding systems are ideal for high-speed environments where accuracy and efficiency matter most.

Product Alignment

Accurate product alignment is essential for consistent packaging. Frozen food packaging machines use precise infeed systems to position each item correctly before wrapping or sealing. You get packaging that looks professional and protects your food from damage. Proper alignment also ensures that the sealing process works as intended, which is critical for maintaining airtight and leak-proof packages.

Film Wrapping

Top and Bottom Application

Film wrapping plays a vital role in frozen food packaging. Machines apply a protective film to both the top and bottom of your product, creating a complete barrier against moisture and contaminants. This method works well for a variety of food types, including solids, powders, and liquids. The transparency of the film lets you inspect the product without opening the package, which supports quality control and consumer confidence.

You can explore horizontal flow wrapping machines like those in the Stabake Food Machine product catalog for efficient film application and reliable packaging results.

Sealing Process

The sealing process locks in freshness and prevents contamination. Packaging equipment uses heat or pressure to bond the film securely around your food. Strong seals keep out air and moisture, which helps prevent freezer burn and spoilage. You rely on these machines to create consistent, airtight seals that protect your food during storage and transport.

Note: Shrink film acts as a protective barrier, preserving flavor and texture while preventing freezer burn.

How Working Principles Improve Efficiency

Frozen food packaging machines deliver several key benefits that improve operational efficiency and food safety:

  • You get hygienic, airtight packaging that prevents contamination.

  • Automation reduces labor costs and increases production capacity.

  • Strong seals and frost control features help maintain cold chain performance.

  • Specialized machines offer scalable production for different food types.

You also benefit from extended shelf life through vacuum sealing and modified atmosphere packaging. These methods inhibit bacterial activity by removing water and oxygen, which preserves product freshness. Automated and semi-automated packaging equipment reduces the need for manual labor, minimizing contamination risks and ensuring consistent results.

Automation and Semi-Automation for Different Food Types

You can choose between fully automated and semi-automated packaging equipment based on your production needs. Automated machines, equipped with robotic arms and AI systems, handle repetitive tasks quickly and accurately. These systems can pack hundreds of cases per hour, which boosts production speed and reduces product damage. Semi-automated machines offer flexibility for smaller batches or specialty products, allowing you to balance efficiency with hands-on control.

By automating tasks such as tray loading, arranging, and sealing, you free up your team for higher-value work. This shift not only cuts labor costs but also improves the speed and reliability of your operations. You can find a range of automated and semi-automated solutions in the Stabake Food Machine product catalog, designed to meet the needs of liquids, powders, and solid foods.

Key Takeaway: Automation and semi-automation in frozen food packaging machines help you achieve faster production, lower costs, and safer, more consistent packaging results.

Food Protection and Contamination Prevention

Modern frozen food packaging equipment gives you powerful tools to protect your food from contamination and physical damage. You rely on these machines to keep your frozen foods safe, fresh, and ready for your table. Let’s explore how hygienic design and advanced barrier materials work together to safeguard your products.

Hygienic Design

Sanitary Construction

You want packaging equipment that stands up to strict hygiene standards. Most machines use food-grade stainless steel. This material resists corrosion and handles aggressive cleaning routines. You benefit from smooth, sloped surfaces and rounded edges. These features prevent food residue from building up. You avoid hidden spots where bacteria can grow. Many machines also reduce clutter and minimize flat surfaces, making cleaning easier and faster.

  • Stainless steel construction resists rust and supports sanitation.

  • Sloped surfaces and rounded edges help food and water run off.

  • Fewer crevices and gaps mean fewer places for contamination.

Automated Cleaning

You save time and effort with packaging equipment that offers automated cleaning features. Many machines let you remove parts without tools. Quick-release mechanisms give you easy access to every area. Some systems even provide multiple cleaning options to match your hygiene needs. Automated cleaning cycles help you maintain high standards with less manual labor.

Tip: Choose new packaging equipment designed for hygiene instead of retrofitting old machines. This approach ensures you meet modern food safety requirements.

Barrier Materials

Moisture and Oxygen Barriers

Barrier materials in packaging play a key role in keeping your frozen food safe. You find plastic films like PET, PE, EVOH, and PVC in many packaging equipment solutions. These films block moisture and oxygen, which helps prevent freezer burn and spoilage. Metalized films, such as those lined with aluminum foil, add extra protection against light and gases. Some packaging uses barrier paper or even glass for special products.

  • Plastic films provide flexible, effective barriers.

  • Metalized films and aluminum foil block light and gas.

  • Barrier paper offers a cost-effective, eco-friendly option.

Even a small amount of oxygen can cause food to lose quality. Effective packaging equipment keeps oxygen levels low, which protects taste and nutrition.

Tamper Evidence

You want to know your food stays safe from tampering. Many packaging machines add tamper-evident features. Heat seals create a freshness barrier that you must break to open the package. Shrink bands wrap tightly around the lid or opening. You can see if someone has tried to open your food before you do.

  • Heat seals show if the package has been opened.

  • Shrink bands provide a visible sign of tampering.

These features give you confidence in the safety of your frozen food.

For advanced packaging equipment with strong hygienic design and barrier protection, you can explore options in the Stabake Food Machine product catalog.

Temperature Control in Frozen Food Packaging

Temperature Control in Frozen Food Packaging

Temperature control plays a critical role in keeping your frozen foods safe and fresh. You depend on advanced freezing and cooling methods to protect food quality during every step of the packaging process. Let’s explore how air-blast freezing and the cold chain work together to maintain the right conditions for your products.

Air-Blast Freezing

Conveyor Tunnels

You often see air-blast freezing used in modern packaging lines. Conveyor tunnels move your food quickly through a stream of icy air. This method freezes products much faster than traditional systems. The rapid movement inside these tunnels helps keep every item at a consistent temperature. You avoid uneven freezing, which can damage texture and taste.

Rapid Cooling

Air-blast freezing uses powerful fans to blow cold air over your food. This process forms tiny ice crystals inside the product. Small crystals protect the structure of your food, so you get better texture and flavor after thawing. You also keep more nutrients locked inside.

Table: Air-Blast Freezing vs. Conventional Freezing

Feature

Conventional Freezing

Blast Freezing

Ice Crystal Formation

Large crystals

Small crystals

Food Texture & Taste

Often damaged

Better preserved

Nutrient Retention

Lower

Higher

You can see that air-blast freezing offers clear advantages for packaging. Your food stays fresher, tastes better, and holds more nutrients.

Cold Chain

Consistent Freezing

Maintaining a strong cold chain is essential for frozen food packaging. You need to keep products at the right temperature from the moment they leave the freezer until they reach your table. Integrated cooling systems in packaging machines help you achieve this goal. These systems use advanced technology to keep food cold during every stage of packaging.

  • Frozen food packaging machines use advanced cooling to maintain optimal temperatures.

  • These systems help preserve texture, flavor, and nutrition.

  • The cold chain continues with refrigerated trucks and storage, preventing temperature swings.

Quality Assurance

You rely on strict standards to ensure your frozen foods stay safe. The cold chain uses special equipment and careful monitoring to avoid temperature spikes. Every step, from pre-cooling trailers to using data loggers, helps protect your food.

Table: Cold Chain Requirements for Frozen Food Packaging

Requirement

Description

Temperature Control

Transportation equipment must keep food at safe temperatures.

Pre-cooling

Trailers and products must reach target temperatures before loading.

Monitoring Systems

Calibrated probes and data loggers track temperatures during transport.

Airflow Management

Proper loading and airflow prevent hot spots and ensure even cooling.

Packaging Validation

ISTA7E tests confirm packaging keeps food in the right temperature range.

You can trust that modern packaging equipment, like those from Stabake Food Machine, supports these cold chain requirements. You get peace of mind knowing your food stays safe, fresh, and high quality from start to finish.

Quality Control and Inspection

You depend on quality control and inspection to keep your frozen foods safe. Modern packaging equipment uses advanced systems to check every package and maintain high standards. These machines work quickly and accurately, so you get reliable results with every batch.

Inspection Systems

Seal Checks

Seal integrity matters for food safety. Packaging equipment uses automated inspection systems to check every seal. You benefit from AI-driven vision technologies that spot weak or broken seals before products leave the line. These machines scan each package, looking for gaps or defects that could let in air or moisture. You avoid spoilage and keep your food fresh.

  • Automated seal checks reduce human error.

  • You get consistent quality with every package.

  • Machines alert operators if they find a problem, so you can fix issues fast.

Object Detection

Foreign object detection protects your food from contamination. Packaging equipment uses AI-powered vision systems, metal detectors, and X-ray machines to scan for unwanted materials. AI can find objects that traditional methods miss, such as onion skins or low-density plastics. You get safer products and fewer recalls.

AI inspection systems can spot foreign materials that look similar to your food, improving safety and customer satisfaction.

Evidence Description

Purpose

AI-driven vision inspection technologies can identify foreign materials and quality defects.

They provide a powerful method to detect issues that traditional methods may miss.

Traditional methods like metal detectors and X-ray systems are limited in detecting low-density materials.

AI technologies can identify a wider range of foreign objects, enhancing safety.

AI applies human-defined criteria to differentiate food product features and unwanted objects.

This allows for precise detection of defects that may not be visible to human inspectors.

AI can detect foreign materials that are similar in color to the product, such as onion skins.

This capability addresses specific challenges in maintaining product quality and customer satisfaction.

If you want to explore advanced inspection machines, you can find options in the Stabake Food Machine product catalog.

Traceability

Batch Tracking

Traceability helps you track every package from production to delivery. Packaging equipment uses QR codes, AI, and IoT-enabled data to monitor batches in real time. You scan a code to see ingredients, allergens, and recall information. This technology builds trust and helps you respond quickly if a problem arises.

Technology Type

Description

QR Code batch tracking

Allows customers to scan codes for information on ingredients, allergens, and recalls, enhancing brand trust.

AI and IoT-enabled data

Facilitates real-time data collection and monitoring throughout the supply chain, improving operational efficiency.

Blockchain-based solutions

Ensures secure and transparent tracking of product batches, enhancing accountability and traceability in recalls.

Safety Compliance

You rely on packaging equipment to meet strict food safety standards. Machines follow sanitary protocols and good manufacturing practices to prevent cross-contamination. You see clear labeling with lot numbers and expiration dates for easy recall management. Packaging equipment uses FDA-approved materials to keep food safe from chemicals. You benefit from compliance with FSMA and global certifications like SQF or BRCGS.

Compliance Aspect

Description

Preventing Cross-Contamination

Implementing strict sanitary protocols and good manufacturing practices (GMPs) to maintain a clean packaging environment.

Traceability and Labeling

Ensuring clear labeling with lot numbers and expiration dates for effective recall management.

FDA Compliance

Adhering to FDA regulations for food contact materials to prevent chemical migration into food.

FSMA Compliance

Following the Food Safety Modernization Act to prevent contamination through hygienic packaging processes.

GFSI Certifications

Obtaining certifications like SQF or BRCGS to meet global food safety standards.

You can trust packaging equipment to deliver safe, traceable, and high-quality frozen foods. For more information on inspection and traceability solutions, visit the Stabake Food Machine product catalog.

Sustainability in Frozen Food Packaging

You play an important role in protecting the environment when you choose sustainable frozen food packaging. Modern packaging equipment and machines help you reduce waste and use materials that are better for the planet. Let’s explore how you can make a difference with eco-friendly materials and energy-efficient solutions.

Eco-Friendly Materials

Frozen food packaging now offers more choices for eco-friendly materials. You can select packaging equipment that uses recyclable options or biodegradable films. These choices help you lower your environmental footprint while keeping your food safe.

Recyclable Options

Recyclable packaging gives you a way to reuse materials and cut down on landfill waste. Many machines work with PET and PE films, which you can recycle after use. You help the environment by choosing packaging equipment that supports recycling programs. Some packaging designs also use cardboard trays or paper wraps, which you can recycle easily.

Tip: Look for packaging equipment that prints recycling symbols on packages. This helps you and others know how to dispose of packaging properly.

Biodegradable Films

Biodegradable films offer another green solution for frozen food packaging. Machines can use films made from PLA, which break down naturally over time. These films have decent mechanical strength, with tensile strength between 50–70 MPa. However, you should know that biodegradable films tend to be brittle, especially at low temperatures. Traditional plastic films like PET have higher tensile strength, up to 150 MPa, and are more flexible and durable. You may want to use biodegradable films for products that do not need high-performance packaging.

Material Type

Tensile Strength (MPa)

Flexibility

Durability

Environmental Impact

PLA (Biodegradable)

50–70

Low

Moderate

Low

PET (Traditional)

50–150

High

High

Moderate

You can find packaging equipment that supports both recyclable and biodegradable films in the Stabake Food Machine product catalog.

Energy Efficiency

Energy-efficient machines help you save resources and reduce your carbon footprint. You can choose packaging equipment that uses less energy and produces less waste.

Reduced Consumption

Modern packaging equipment uses smart controls and efficient motors. These machines run only when needed and adjust speed to match production. You save energy and lower your costs. Many frozen food packaging machines also use LED lighting and low-power sensors to monitor operations.

Waste Minimization

You can minimize waste in your frozen food packaging operations by using several strategies:

  • Smart packaging extends shelf life and reduces food waste.

  • Eco-friendly packaging options protect products and lower environmental impact.

  • Recyclable or biodegradable materials help you shrink your environmental footprint.

  • Innovative packaging designs minimize excess material and maximize space efficiency.

  • Optimizing production processes reduces waste generation.

  • Better inventory management and production scheduling help you avoid overproduction.

  • Educating consumers about proper food storage and portion sizes reduces food waste.

Note: You can choose packaging equipment with built-in waste tracking features. These machines help you monitor and reduce waste at every step.

You support sustainability when you select frozen food packaging equipment and machines that use less energy and create less waste. These choices help you protect the planet and keep your food safe.

You see how frozen food packaging machines combine advanced sealing, thermoforming, and temperature control to keep your food safe and fresh. Automation in packaging equipment helps you maintain product freshness and meet strict safety standards. You benefit from rapid refrigeration and smart packaging, which extend shelf life and support preservation.

Cryogenically frozen foods maintain their integrity for years, allowing brands to reduce or eliminate additives while still meeting shelf-life and safety targets.

Modern packaging uses recyclable materials and smart technologies to improve sustainability. You help reduce spoilage and waste throughout the supply chain. When you choose reliable machines and packaging equipment, you support a safer and more sustainable food system.

FAQ

How does a frozen food packaging machine keep food fresh?

You get fresh food because the machine uses airtight seals and advanced technology. These features block moisture and oxygen. You avoid freezer burn and spoilage. For more details, you can explore options in the Stabake Food Machine product catalog.

What types of packaging materials work best for frozen foods?

You should choose packaging materials like PET, PE, or aluminum foil. These materials block moisture and oxygen. You protect your food from freezer burn and contamination. Some machines also support biodegradable films for eco-friendly packaging.

Can packaging machines handle different food shapes and sizes?

You benefit from machines that adjust to various shapes and sizes. Thermoforming and tray packaging systems mold trays to fit your products. You get secure packaging for single servings or bulk items.

How do packaging machines prevent contamination?

You rely on machines with hygienic designs and automated cleaning. Stainless steel surfaces and smooth edges reduce bacteria buildup. Automated cleaning cycles help you maintain strict food safety standards.

Are there eco-friendly options for frozen food packaging?

You can select recyclable or biodegradable films. Machines support PET, PE, and PLA materials. These choices help you reduce waste and protect the environment. For sustainable solutions, visit the Stabake Food Machine product catalog.

How do inspection systems improve food safety?

You get safer food because inspection systems check seals and detect foreign objects. AI-driven vision and metal detectors spot defects and contaminants. You avoid recalls and maintain high quality.

What is the role of automation in packaging frozen foods?

You increase efficiency with automation. Machines pack, seal, and inspect products quickly. You reduce labor costs and improve consistency. Automated systems also help you meet strict safety standards.

Our Company

Jinan Star Bake Machinery Co., Ltd is a specialized manufacturer of food processing equipment located in Jinan City, Shandong Province, China.

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