Zhuzhou Jingzuan Carbide Co., Ltd, is the only technology trading company which is committed to sale the GB A Class high-grade carbide products and deep-processing products. Jingzuan located in Zhuzhou, the largest industrial city which is specializing in production carbide and related tools in China. 17 years experience of cemented carbide industry made our company has an efficient and professional ability in integrating the carbide productive resources in Zhuzhou, or even in China. So we can