The company has D1D2 class pressure vessel qualification, mainly engaged in pressure vessels, environmental protection equipment, as well as non-standard parts of the production. The main products are: carbon steel / stainless steel gas tank, sub cylinder, dust collector pulse bag, air gun submerged gas bag. Gas storage bag. Buffer tank, vacuum negative pressure tank, adsorption tank. Storage tanks, tanks, etc., are widely used in petroleum and chemical industry, complete sets of feed equipment, as well as machinery manufacturing, environmental protection dust