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Founded in 2019, Shanghai We Pack Co., Ltd. is a subsidiary of Shanghai Dreammao Packaging Technology Co., Ltd. is an integrated packaging company specializing in cargo securing, transport protection, and loading optimization solutions.
With a 10,000 m² facility, 120 employees, dedicated R&D, testing and quality control teams, and 9 production lines, We Pack offers end-to-end capabilities from design and testing to mass production. China Suppliers of AAR Certified PP Dunnage Bag with Level 0-6 for Cargo Transport.
We Pack’s core products include paper edge protectors, container dunnage air bags, and lashing systems. Through joint ventures and industrial collaboration, our portfolio has expanded to paper pallets, plastic pallets, slip sheets, carton sealing tapes, bubble wrap, stretch film, strapping, and packaging equipment. Wholesale AAR Certified PP Dunnage Bag with Level 0-6 for Cargo Transport. We provide one-stop packaging and transport protection solutions tailored to different cargo types and logistics scenarios.
All We Pack products comply with AAR, SGS, TUV, and other international transport test standards. We support OEM / ODM customization, offering product design and free packaging solution planning based on cargo type, loading method, load requirements, budget, and printing needs—helping customers reduce total logistics costs by 15–30% while ensuring transport safety.
| Model |
Working Pressure (PSI / Bar) |
Bursting Pressure (PSI / Bar) |
Recommended Transport Method |
| L0 | 1.5 PSI / — | 5.0 PSI / 35 kPa | General land transport, light-load sea transport |
| L1 | 2.9 PSI / 0.2 Bar | 8 PSI / 0.55 Bar | General land transport, standard sea transport |
| L2 | 6.0 PSI / 0.4 Bar | 17 PSI / 1.17 Bar | Heavy-load land transport, sea transport, partial air transport |
| L3 | 8.0 PSI / 0.55 Bar | 25 PSI / 1.72 Bar | High-strength sea transport, air transport, high-value goods |
| L4 | 10.0 PSI / 0.70 Bar | 30 PSI / 2.06 Bar | High-strength air transport, high-value fragile goods |
| L5 | 10.0 PSI / 0.70 Bar | 21 PSI / 1.45 Bar | Special specification transport, customized packaging |
| L6 | 45.4 PSI / 3.13 Bar (313 kPa) | 40 PSI / 2.75 Bar | Extreme environment transport, high-value precision instruments |
