our company has 2 subordinate manufacturing plants, the main products are: dryer, drying cylinder, brake hose, brake master cylinder, pressure regulating valve, trailer valve, manual control valve, unloading valve, load sensing valve , Height valve, relay valve, booster, etc. The factory has large aluminum die-casting machines, precision CNC machines, and has a variety of test and testing equipment such as product performance test benches, life test benches, high and low temperature test boxes, etc.; with shell die casting, Numerical control processing, casting infiltration, surface treatment, flexible assembly line and other complete processes, and equipped with professional product research and development department, to achieve advanced production technology, complete testing equipment, reliable quality management.