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Premium Tray Sealing & MAP Packaging Machines | Airtight, High-Efficiency & Custom Mold Solutions

Stop losing revenue to leaky seals, inconsistent manual packaging, and premature food spoilage. At HSQY, we manufacture a comprehensive range of professional-grade Tray Sealing and MAP (Modified Atmosphere Packaging) Machines engineered for efficient, consistent, and hygienic food container sealing. From high-speed fully-automatic continuous lines to precision vacuum MAP sealers and cost-effective manual solutions, our equipment guarantees airtight integrity and extended shelf life for your products.

Beyond just machinery, we provide a complete packaging solution. By offering free custom aluminum mold design and ensuring seamless compatibility with various films (PP, PET, PS) and tray shapes, we eliminate the frustrating trial-and-error phase. Backed by our vertically integrated manufacturing facilities, HSQY guarantees robust 304 stainless steel construction, precise PLC control, and reliable global technical support for central kitchens, food processors, and retail operations.

The HSQY Advantage: Securing Seal Integrity & Production Efficiency

Precision PLC & Temperature Control: Equipped with advanced programmable PLC systems and touch screen panels, our machines maintain strict electronic temperature control (0-300°C). This ensures consistent pressure and sealing time for every single tray, completely eliminating weak seals or film burn-through.
Advanced MAP & VSP Technology: Our Vacuum Type MAP Tray Sealers achieve an industry-leading ≥99% gas displacement rate, while our VSP (Vacuum Skin Packaging) machines provide premium, form-fitting lockdown protection. Both technologies drastically extend the shelf life of fresh meat, seafood, and ready meals.
Free Custom Aluminum Mold Design: We provide complimentary custom mold manufacturing to match your exact tray dimensions (square, rectangular, round, or multi-compartment). This guarantees zero film waste, perfect edge cutting, and a flawless hermetic seal.
304 Stainless Steel & Modular Maintenance: Built with food-grade 304 stainless steel to meet strict hygiene standards. The modular design allows operators to replace wear parts (like heating elements and cutting blades) in under 30 minutes without special tools, minimizing production downtime.

Proven Applications Across the Food Industry

Central Kitchens & Catering: High-speed, leak-proof sealing for hundreds of bento boxes and meal prep containers per hour, ensuring consistent quality for corporate, school, and hospital catering.
Food Processing Plants: Seamless integration into continuous production lines for MAP sealing of fresh meat, poultry, and ready-to-eat meals, maximizing retail shelf life.
Supermarkets & Fresh Retail: Professional sealing for cut fruits, salads, and deli containers using clear films that maintain high product visibility while preventing contamination.
Restaurant Chains & Cloud Kitchens: Standardizing takeaway and delivery packaging quality across multiple locations with reliable, airtight seals that prevent transit spills.

Technical Specifications & Core Components

Construction: Food-grade 304 stainless steel body and shell
Control System: Programmable PLC with intuitive touch screen control panel
Temperature Range: Electronic temperature controller (0-300°C) for optimal sealing across diverse film types
Film Width Compatibility: 180mm to 390mm (accommodates various tray sizes and multi-lane molds)
Gas Displacement Rate: ≥99% for MAP vacuum sealing models
Power Supply: 220V/50Hz or 380V/50Hz options available

Popular Models in Our Sealing Machine Range

DQ320L / DQ400L (Vacuum MAP Tray Sealers): 320mm-390mm film width, 400-1200 boxes/hour capacity. Equipped with 40-100 m³/h vacuum pumps and ≥99% gas displacement, mandatory for fresh protein and MAP applications.
DQ250 / 300TA (Full-Automatic Tray Sealers): 260mm film width, 7-8 cycles/minute output. Features fully automated film feeding, heat sealing, and cutting, reducing labor costs by up to 60%.
DQ330VSL / DQ440VSL (Vacuum Skin Packaging - VSP): Advanced VSP technology for premium retail packaging, providing superior 3D product presentation and extended shelf life.
DQ580 / 630SAT (Continuous Packing Machines): Semi-automatic and full-automatic continuous models designed for high-volume factory production lines with minimal operator intervention.
DQ-2 / 4 / 6 (Manual Plastic Tray Sealers): 180-265mm film width, ~480 boxes/hour. A highly cost-effective, compact footprint solution for small to medium operations and restaurant back-of-house.

Expert Selection Guide: Optimizing Your Packaging Line

Selecting the correct sealing equipment is critical for maximizing ROI and preventing packaging failures. Our engineers will help you define:

Automation & Volume Profiling: Matching your target boxes/hour output to the correct automation level (Manual for ~480/hr vs. Fully-Automatic for 7-8 cycles/min).
Atmosphere & Shelf-Life Requirements: Determining if your product requires standard heat sealing, VSP (Vacuum Skin), or MAP (Modified Atmosphere with ≥99% gas displacement) to achieve your target retail shelf life.
Tray & Film Synergy: Verifying your tray dimensions and film type (PP, PET, PS, or Aluminum) to design the precise custom aluminum mold and set the optimal 0-300°C thermal profile.

Frequently Asked Questions – Tray Sealing Machines

Q1: What is the exact difference between manual, semi-automatic, and fully-automatic sealing machines?

A: Manual machines (like the DQ-2/4/6 series) require the operator to physically load the trays and activate the sealing cycle, suitable for lower volumes around 480 boxes/hour. Semi-automatic machines automate the film feeding but still require manual tray loading. Fully-automatic machines (like the DQ250/300TA) integrate automatic film feeding, precise heat sealing, and cutting into one seamless process, achieving 7-8 cycles per minute with minimal operator involvement, effectively reducing labor costs by up to 60%.

Q2: Can you customize the mold for our specific tray size and shape?

A: Yes, we provide free custom aluminum mold design and manufacturing services. Whether your containers are square, rectangular, round, or feature complex multi-compartment layouts, our engineering team will precisely configure the mold to match your exact dimensions (length × width × depth). This ensures zero film waste, clean edge cutting, and a perfect hermetic seal. Simply provide your tray samples or detailed CAD drawings.

Q3: What types of films and trays are compatible with these machines?

A: Our sealing machines are highly versatile and compatible with a wide range of high-quality films, including PP (Polypropylene), PET, PS composite films, and even aluminum foil trays. The machines accommodate film widths from 180mm to 390mm depending on the model. The integrated electronic temperature controller (0-300°C) allows operators to dial in the exact optimal sealing temperature for different film materials, preventing burns or weak seals.

Q4: What is MAP packaging, and how effective are your vacuum MAP sealers?

A: MAP (Modified Atmosphere Packaging) involves vacuuming out the ambient air and replacing it with a protective gas mix (like CO₂ and N₂) to drastically extend the shelf life of fresh food. Our Vacuum Type MAP Tray Sealers (DQ320L and DQ400L series) are equipped with high-capacity vacuum pumps (40-100 m³/h) and achieve an industry-leading gas displacement rate of ≥99%. This makes them mandatory for premium fresh meat, seafood, and ready-to-eat meals requiring extended freshness without chemical preservatives.

Q5: How difficult is it to operate and maintain these sealing machines?

A: Despite their advanced automation, our machines are engineered for extreme ease of use. Operators require only 15-30 minutes of training to master basic operations via the intuitive touch screen control panel, which also features real-time fault prompting. Maintenance is highly straightforward thanks to the modular design; wear parts like heating elements and cutting blades can be replaced in under 30 minutes without special tools. We also provide comprehensive video tutorials and 24/7 remote technical support.