Zhuzhou jinwei cemented carbide co., ltd. is one of the professional manufacturers in China and located in national high-tech development zone in Zhuzhou city( hometown of tungsten carbide). We produce and research medium and high-grade tungsten carbide products. With rich technology, strength, integrating with new test of producing equipments guided by excellent technologists and supervisors. We specializes in producing carbide buttons, coal cutters, wear parts for oil-field, coal-field machinery. PDC substrate, saw tips and other non-standard products. Our products are well known in the domestic and international tungsten carbide economy with her high quality and good reputation. Jinwei has passed ISO90012000 quality system certificate and registered the trade mark of â??â??jinweiâ??. We take â??more professional, faster, and more sincereâ?? as the spirit.and try our best to offer products with high quality and excellent service for every cuctomer.