... carbide free online technical service available.Zhuzhou Jingzuan Carbide Co., Ltd, which is committed to R&D, producing and ... series products, is the only one modern high-tech enterprise in China. GB A Class high-grade cemented ... 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 ...