... 227, GOST 9389, GOST 14959UsageMechanical Equipment, Engineering Vehicle, Motor Vehicle, Motorcycle, Accumulator Car, Bicycle, Fitness Equipment, Elevator, Steel Wire Screen, Mattress ... ,SAE1080Standard: AISI, ASTM, BS, DIN, GB, JISPlace of Origin: Jiangsu, China (Mainland)Type: SpringSpecial Use: Cold Heading SteelProduction capacity: 10000 ton/monthhigh ...