Zhuzhou Tony carbide Co., Ltd., established in October 2002, is a professional manufacturer specializing in the tungsten carbide products in China. has been awarded ISO9001:2015 Quality System Certificate. Our main products are carbide buttons, PDC, drill bits and many customized products, all are selling well in the domestic market and exported to more than 10 countries, including Ukraine,Russia,India, the United States, Canada, Brazil, Africa, Southea