Nanjing Ocean Industry Co.,Ltd as one professional exporter of gases equipments in Nanjing city of China. Our wholly-owned subsidiary company(Ocean High Pressure Vessel Co.,Ltd) can supply various new empty seamless steel gas cylinders(work pressure-150 bar or 200 bar) as standard-ISO9809 & GB5099, various new empty acetylene cylinders as standard-ISO3807 & GB11638, CNG cylinders as standard-ISO11439 & GB24160, various gas valves as standard-QF/CGA/BS, new empty aluminium cylinder as standard-GB11640, liquid welded steel cylinder as standard-GB5100, cryogenic liquid storage tank as standard-GB510, ABC fire extinguishers, welding hose, and other type gas equipments for the global customers. All our customer only use one order can purchase multiplicate gas equipments which they need only by our hand.