Zhuzhou Changjiang Carbide Tool Co., LTD., hunan "length, strain, tam" industrial hub and transportation center in southern China - zhuzhou city, is a home with more than 30 years of development history, cobalt tungsten smelting, tungsten resources recycling, the depth of the cemented carbide production and supporting tools machining hard quality alloy integrated manufacturing enterprise. The company has become the backbone of zhuzhou cemented carbide group co., LTD. Members of the enterprise