Chang Zhou Long Xiang Gas Spring Co.,Ltd supplies afull range of high quality compression gas springs,locking gas springs, tension gas spring,stainless steel gas springs,dampers. Our factory through the ISO9001:2000 quality system authentication; passed TUV fatigue test of 180,000 times; SGS certificate which meet EURO Standard RoHs; TUV salt spraying test reach 96 hours. The capacity of our production is 3 million with more than 1000 specifications. We had supplied to many research institute also. Our factory are specialized in production of high quality gas spring.