Zhuzhou Watt Carbide Co., LTD, leit yn Zhuzhou, Hunan, Sina. It produseart benammen carbid-ynserts, frees-ynserts, carbide-snij-ynserts, cnc-ynserts, carbide-draai-ynserts, carbid-threading-ynserts, carbid-eindmolens, wolfraamkarbid-einmole-ark ensfh.