Anti-corrosion. Acid, smooth surface, acid and alkali, high temperature, reasonable prices, beautiful steel blind flange plate We promise: 1), High qulity 2), Resonable price3), Prompt delivery4), Nice after-sell service ManufacturerShijiazhuang Jixing Machinery Manufacturing Co., LTD Place OfOriginShijiazhuang,Hebei,China.Production Equipment1, Processing Center2,CNC Lathe3, Drilling Machine4, ...