We have been specializing in the pipe fittings of high pressure, medium pressure and low pressure, with materials like carbon steel, alloy steel and austenite stainless steel. include elbows, flanges, tees, reducers, caps, bends, forged screwed pipe, spiral pipe series and so on. our products are widely used in such fields as petroleum, chemicals, nuclear-electric power, shipbuilding, nuclear industry and war industry.