Large size oil hardening-tempering spring wire  It is mainly suitable for cars, off-road vehicles, new energy vehicles and other high-performance springs.          Product specification range :12~18mm Material: 65m60Si2MnA, 55siCr, SAE9254v, 54SiCr6, etc

Medium specification oil hardening-tempering spring wire  Suitable for motorcycle, ATV and other springs Product specification range: φ9~1 2qmm  Material: 65m, 60Si2MnA, 55siCr, etc

Small specification oil quenching - Tempering bullet ZE wire            It is suitable for automobile valve spring, clutch spring, large circuit breaker switch spring, automobile tail door spring, etc. Product specification range: φ5~8pmm65m,Material 60Si2MnA, 55siCr, SAE9254v, 60Si2CrvAT, etc