... seam rotary drilling and rock drill.Zhuzhou Jingzuan Carbide Co., Ltd, which is committed to R&D, producing and ... Xiangtan Iron and Steel Co., Ltd. (XISC), SANY Heavy Industry Co., Ltd., Weichai Power Co., Ltd., CSR Co., Ltd., Anhui Military Industry Group Holding Co., Ltd. and other companies as ... enjoy a high popularity in those marketscontact: Ms Christina Yi Tel: 86 731 28263302 Mob: 86 152 7331 ...