IYJ-N series built-in hydraulic winches are independently developed by our company and have applied for many invention and utility model patents.The winch is mainly composed of low-speed motor or axial piston motor, Z-type hydraulic normally closed multi-plate brake, fCKC-type planetary reducer, frame, reel, support shaft and so on.And according to the requirements of various working conditions with different distributor, distributor integrated in the corresponding hydraulic valves, such as balance valves, overload valves, high-pressure shuttle valves and so on.This series of winches have the characteristics of compact structure, small volume, light weight, beautiful appearance, etc., in the performance of the party with good safety, low-speed stability, low noise, reliable operation, etc., the product is mainly used in truck-mounted cranes, automobile cranes, aerial work trucks and other equipment, the product not only sells well at Sany Heavy Industry and other domestic enterprises, and has been exported to the United States, Austria, Russia, Australia, the Netherlands,Indonesia, South Korea and other countries.