... , chemical, power, gas, metallurgy, shipbuilding, construction, etc MATERIAL Stainless Steel Flanges ASTM / ASME A/SA 182 Grade: F 304, 304L ... or send sample to usQingdao Jowon Mechanical and Electrical Co., Ltd. offers production and operation of casting products, auto ... total investment has reached over RMB500 million. We can produce castings, auto parts, textile machines, hose assemblies and ...