... stainless steel. The pressure vessels, columns, reactors, towers, heat exchangers, condensers, storage tanks, refrigerated storage tanks, lining equipments ... License of Pressure Vessel P.R. of China; 2.Manufacturing License of Nuclear Pressure Component P ... .R. of China; 3.ASME Certificate with Stamp S and ... . Pressured Vessel, Boiler Pressure Component & Heat Exchanger