... has the national advanced equipments such as automatic spring roller, computer supervised machines etc; the company ... 55 mm all kind of draw spring, press spring, torque spring, and plate spring etc; the company has the ... products. such 8A,8AG,K2,K4,K5,K6,MCZW5,D5,Etc. And foreign railway wagon ... our company production capacity 1.5 million/annual spring for railway Vehicle. Its bales to vehicle company ...