Jiyuan Beifang Drilling & Rolling Co., Ltd. is the subsidiary company of Zhongyuan Special Steel Trading LLC., established in 2001. We focus on manufacturing oil drilling tools and machinery parts. Our main production covers non-magnetic drill collars, ...

Jiyuan Feng Ze Special Co., Ltd is a key mechanism procession enterprise in City, owning 246 employees, and more than 40 professional scientific technical personnel. The company strong production equipment ,advanced with full range of processing ...