Yongjia Sanhe Spring Co.,ltd is located in Oubei town,known as "Pump Valve Town of China". connected to Wenzhou City, Zhejiang Province.We specialize in production of valve springs,high temperature springs,disc springs,wave springs and special-shaped springs for Petrochemical industry area nearly two generations.We have lots materials IN STOCK.Wire sizes from 0.2 to 12mm.Spring wire Grade with Inconel X-750,Inconel 600,Inconel 625,Inconel 718,Monel K500,UNS R30003,L605,Hastelloy C-276,No8020,TC4,316,304,301,17-7ph,50CrV4,55CrSiA,60Si2Mnand so on.The company has past ISO9001,ISO/TS 16949 and ISO14001 certification.and got twelve national patents till now.We have thousands of domestic clients,lots of them are global well-known brand.If you find us in Alibaba and interest our product,pls browe more detail from different way in www.sanhespring.comwww.wzshth.comOr contact me directly.