NO.96 Binzhou Road ,Jiaozhou,Qingdao ,China Qingdao, Shandong
Qingdao Dutelongdi Cast Iron Co., Ltd. adopts advanced Geman patent technology, specializing in the production of all kinds gray iron, ductile alloy cast iron sections: round, square, rectangular, regular polygon, semi circular profiles and symmetry, ...
ductile cast iron, cast iron bar, dura bar, iron
