... ,000times lifespan 4. Use: funiture, cabinet, tool box,door gas spring damper, cabinet gas pring, door damper: ProductsNameGas spring/gas lift/gas cylinder/gas strutUseBed, Wheel hair,Sliding Door ... for the goods.CertificationISO9001:2008, ROSH, SGS, (Fatigue Testing, Low & High Temperature Test, environmental test, ect )TypeCabinet gas spring, bed gas lift, Auto gas spring, Locking gas spring ...