Auto Spring、Brake Spring 1.Professional spring manufacturer. 2.Material:60Si2MnA or 55CrSi. 3.Wire:9~22mm. 4.ISO/TS16949. 5.Car model: All. 6.Car susprnsion spring which are used in all car models. High quality, low price. 7.CAR MODEL: BMW, MERCEDES BENZ, FORD, OPEL, CITROEN, DAEWOO, CHEVROLET, HYUNDAI, KIA,PEUGEOT, FIAT, RENAULT, HONDA, MAZDA, MITSUBISHI, NISSAN, TOYOTA, VOLKSWAGEN, AUDI,ETC. 8.MATERIAL: 60Si2MnA, 55CrSi, 55CrSiV.TDCrSi