The company has past 1S09001-2008 certification and ISO/TS 16949certification, and got eight national patents till now. We specialize in production of valve springs, high temperature springs, disc springs wave springs and special-shaped springs.The main materials are Inconelx-750、Inconel600、Incoel625、Inconel718、Monelk500、UNS R30003、L605、HastelloyC-276、No8020、CR5、316、304、9260、50CrV4、55CrSiA、1066 and so on.