Hongruntong Marine LLC.
| Payment Terms | L/C, T/T, D/A, D/P, Western Union, MoneyGram |
| Supply Ability | 2520 Pcs Per Month |
| Delivery Time | 5-7 Work Days |
| Packaging Details | Wooden Pallets, Wooden Box |
| Product Name | Boat Lift Helper |
| Reinforcement | Nylon Fabric |
| Material | PVC Coating Fabric |
| Feature | Durable Construction, Easy Filling and Emptying |
| Thickness | 0.4mm-2.5mm, Or as Request |
| Lifting Capacity | 200kg to 50 Tons |
| Warranty | 36 Months |
| Valve | Inflation and Pressure Release |
| Color | Black, Yellow, Orange, Or as Request |
| Application | Structural Load Testing, Proof Load Testing |
| MOQ | 1 |
| OEM | Welcome |
| Brand Name | Hongruntong Marine |
| Model Number | HM-BLH16 |
| Certification | ISO, BV, ABS, DNV, LR, SGS, CCS, RMRS |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T, D/A, D/P, Western Union, MoneyGram | Supply Ability | 2520 Pcs Per Month |
| Delivery Time | 5-7 Work Days | Packaging Details | Wooden Pallets, Wooden Box |
| Product Name | Boat Lift Helper | Reinforcement | Nylon Fabric |
| Material | PVC Coating Fabric | Feature | Durable Construction, Easy Filling and Emptying |
| Thickness | 0.4mm-2.5mm, Or as Request | Lifting Capacity | 200kg to 50 Tons |
| Warranty | 36 Months | Valve | Inflation and Pressure Release |
| Color | Black, Yellow, Orange, Or as Request | Application | Structural Load Testing, Proof Load Testing |
| MOQ | 1 | OEM | Welcome |
| Brand Name | Hongruntong Marine | Model Number | HM-BLH16 |
| Certification | ISO, BV, ABS, DNV, LR, SGS, CCS, RMRS | Place of Origin | China |
| High Light | marine lift bag with quick inflation ，durable boat lift helper ，powerful buoyancy lift bag | ||
The Boat Lift Helper is a versatile lifting solution designed to make underwater lifting operations safer and more efficient. Engineered for maximum buoyancy control and stability, it enables operators to lift boats, submerged structures, or marine equipment with minimal effort and risk. Its robust construction ensures reliability even in challenging underwater conditions.
In 2023, a diving team in Rotterdam successfully used 10 Boat Lift Helper units to lift and stabilize a 20-ton sunken ferry section. By gradually inflating each bag and securing the load with reinforced straps, they achieved a controlled ascent with zero sway, allowing the vessel to be safely towed for repairs. This operation demonstrated the product's efficiency and precision in heavy-lift scenarios.
| Product Name | Boat Lift Helper |
| Raw Material | PVC Coating Fabric |
| Type | Cylindrical |
| Size | 500kg, 1000kg, 5000kg 10000kg, etc |
| Thickness | 0.4-1.2mm, Or as request |
| Color | Yellow, Blue, Black, etc |
| Density | 0.33-0.9g/cm3 |
| Safety Factor | 7:1 |
| Tolerances | +/- 0.03 on Densities +/- 0.2 mm on Thickness +/- 0 to +3mm on Width +/- 0 to +3mm on Length |
| Model | Buoyancy (kg) | Buoyancy (lbs) | Diameter (mm) | Length (mm) | Appr. Weight (kg) |
|---|---|---|---|---|---|
| HM-BLH01 | 200 | 441 | 500 | 1,000 | 5 |
| HM-BLH02 | 500 | 1,103 | 800 | 1,000 | 8 |
| HM-BLH03 | 1,000 | 2,205 | 1,000 | 1,500 | 11 |
| HM-BLH04 | 2,000 | 4,410 | 1,300 | 1,500 | 20 |
| HM-BLH05 | 4,000 | 8,820 | 1,600 | 2,000 | 50 |
| HM-BLH06 | 6,000 | 13,230 | 2,000 | 2,000 | 66 |
| HM-BLH07 | 8,000 | 17,640 | 2,000 | 2,600 | 75 |
| HM-BLH08 | 10,000 | 22,050 | 2,400 | 2,400 | 80 |
| HM-BLH09 | 15,000 | 33,075 | 2,600 | 3,000 | 110 |
| HM-BLH10 | 20,000 | 44,100 | 3,000 | 3,000 | 130 |
| HM-BLH11 | 30,000 | 66,150 | 3,000 | 4,500 | 170 |
| HM-BLH12 | 50,000 | 110,250 | 4,000 | 4,000 | 220 |
| HM-BLH13 | 70,000 | 154,350 | 4,000 | 5,700 | 310 |
| HM-BLH14 | 100,000 | 220,500 | 4,000 | 8,000 | 450 |
| HM-BLH15 | 150,000 | 330,750 | 5,000 | 8,000 | 660 |
| HM-BLH16 | 200,000 | 441,000 | 5,000 | 10,000 | 900 |
The modular nature of the lift bags allows them to be used individually or in groups, accommodating both small and large-scale lifting projects.
Company Details
Business Type:
Manufacturer
Year Established:
1990
Total Annual:
5,256,780-5,593210
Employee Number:
220~360
Ecer Certification：
Verified Supplier
Hongruntong Marine is a leading marine company specializing in providing comprehensive services in the maritime industry. With a strong emphasis on quality, safety, and efficiency, we strive to meet the evolving needs of our clients. Established in 1990, Hongruntong Ma... Hongruntong Marine is a leading marine company specializing in providing comprehensive services in the maritime industry. With a strong emphasis on quality, safety, and efficiency, we strive to meet the evolving needs of our clients. Established in 1990, Hongruntong Ma...
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