4 China 
1 Spain 
1 Canada 
1 Germany 
Self Dumping Truck Rear Door Chain Type Automatic Locking Hook - China
price: contact company for price
This is a chain type automatic locking hook for the rear door of a dump truck (dump truck), which is a key accessory for the trunk door of an engineering vehicle.
The core information is as follows:
Structural Composition
- Lock hook body: made of cast steel material (ZG270-500), with a hook shaped structure, used to clamp the rear door of the cargo box.
- Chain component: Thick manganese steel chain, connecting locking hook and adjusting device, transmitting tension and adapting to different opening and closing angles.
- Adjustment mechanism: a red metal bracket with bolts and rubber buffering components, which can adjust the length of the chain and the tightness of the locking mechanism.
Company Contact:
- Phone: +86 189 3281 3166
- Address: Industrial zone in Guangchuan Town, Jingxian County, Hengshui City, Hebei Province, China
- Email:
- Website: https://www.lfmachinery.com/
Published date: April 14, 2026
- Business Description: Hebei Linfeng Machinery Manufacturing Co., Ltd. is located at the east end of the industrial zone in Guangchuan Town, Jingxian County, Hengshui City, Hebei Province, China.
It is close to the Shide Railway, near the Hengde Expressway in the north, and the Jingfu Expressway in the east, and is more than 200 kilometers away from Beijing and Tianjin, with convenient transportation and communication conditions.
Our Products:
- 12t Heavy Duty Germany Drum Type Axles For Semi Trailers
- European Type Mechanical Suspension
- Self Dumping Truck Rear Door Chain Type Automatic Locking Hook
- Corner Castings Iso 1161 Top Right
- Fully Automatic Twist Lock
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