Profile: Zhejiang Yada Stainless Steel Manufacture Co. Ltd manufactures stainless steel tube and piping fittings, flanges & valves. We are an ISO 9001:2000 certified company. We offer special automatic forming machine, large electrical heat treatment furnace with temperature control system shot blasting, passivation equipment and impulsing welding machine. Our products are widely used in petroleum, petrochemical, paperrmaking, pharmacy, food, beer, power, ship-building, and natural gas industries.