All the products including various high pressure vessels, seamless steel gas cylinders and bladder accumulators had been applied to many industries such as petroleum and petrochemical, coal mine, lifesaving, shipbuilding, breathing field, iron and steel smelting and heavy die casting, etc. Many products had been exported to U.K., USA, France, Russia, India and Malaysia etc. and already enjoyed a high reputation at home and abroad with the high quality, safety and stabilization.