Shenyang Hongda Spring Technology Co.,Ltd. formerly Shenyang Hongda Machinery Factory was founded in 1994, is a professional Spring manufacturer. Production of various cylindrical spiral compression spring, die spring, cylindrical spiral stretch spring, all kinds of torsion spring, non-cylindrical spring, truncated spiral spring, truncated cone coil spring, concave, convex coilspring, disc spring coil spring, coupling spring and so on. The factory is located in the hardwareindustrial park, yuhong district, shenyang, 4 kilometers away from the city, the factory covers anarea of 12,000 square meters, construation area of 3,000 square meters.Existing fixed assets 15million yuan.Our main equipment is 0.2mm to 30mm automatic and computer spring coiling machine，automatic grinding machine,shot peening machine,continuous hot air furnace andother spring processing equipment. The testing equipment indudes elastic fatigue testingmachine，spring tensile testing machine,hardness tester,salt spray test box, chemical testing equipment, etc.