was established in 1993 which professional specializes in producing all kinds of trailers and semi trailer spring brake chamber and dryer, solenoid switches, shock absorber, brake lining, clutch, ABS anti lock brake system for trailer and truck, relay valve, brake chamber, brake valve; spare parts of brake. In 2005, part of the products are exported to Middle East and Southeast Asia, all the products are, Industrial Springs, Automotive Electronics, Automotive Brakes, Switches ...