copper steel flang Size: from 1/2 to 200 inch (DN15- ... , DIN, BS, JIS, EN, JB, GB, HG, UNI CS,SS... copper steel flang Technics: Forged Size: from 1/2 to 200 ... , nuclear power station, water and nuclear power construction, shipbuilding, food manufacturing, construction, shipbuilding, paper making, medicine, and other industries. Main Market ...