... ANSI, DIN, BS, JIS, EN, JB, GB, HG, UNI, API water piping flang Technics: Forged Size: from 1/2 to 200 ... such as oil, petroleum, gas, chemical industry, nuclear power station, water and nuclear power construction, shipbuilding, food manufacturing, construction, shipbuilding, paper ... Veneer Case or Plywood Case Of Outside, Linoleum And Plastic Cloth Of Inside Dampproof, or other methods according to the ...