GAS SPRING FOR OFFICE CHAIR . HIGH PRESSURE DON'T HEAT UP OR OPEN . SGS-BIFMA X5.1 0509 = = = =Products Introduce= = = = ITEM--Gas SpringUNIT--PieceStroke--120mmWEIGHT--930gMATERIAL--20# Steel TubePACKING--10pcs/box FIT FOR--Office Chair ,Machine, Car , Cabinets and so on .= = = =INTRODUCTION= = = =Kailida Gas Springs Factory is located in Shunde area of Pearl Delta,which is a highly developed ...