Zhejiang Yada Stainless Steel Manufacture Co., Ltd. was founded in 1980s, it has more than 10000m2 production base. Yada Company is a professional manufacturer of stainless steel tube and piping fittings, flanges and valves etc, material304,314L,316,316L,317,317L,310S,321,and so on. The products have smooth internal and external surfaces, precise diameter, fine metallographic structure, they also have the good charactor of anti-corrosion and long life, etc. Yada has been successfully through ISO9001:2000 quality management system in 2002. Our company has advanced production equipment, such as special automatic forming machine, large electrical heat treatment furnace with temperature control system shot blasting, passivation equipment and PANASONIC impulsing welding machine. Our products have been widely used in petroleum, petrochemical, paperrmaking, pharmacy, food, beer, power, ship- building, and natural gas industries, and been highly praised by all circles. We will sincerely cooperate with all customers and create our bright future together.