Carbon steel socket, made according to EN 10241 ( BS1740 ), ASTM A 733, DIN 2981 standard. Size from 1/4 to 8 inch, surface treatment by sandblasting, black and galvanized. including socket,, nipple, bend, outlet, etc. supply to international market for over fifteen years. Weifang Yejia Machinery Manufacture Co, Ltd Weifang Runjia Mechanical Factory of CHINA ( www.yejiafittings.com / yaohl6873@163.com ) marketing director: Yao honglei
