... .5, 0.6, 0.8 high quality wearability and impact Changzhou Xili Alloy Tools Co., Ltd. is a joint venture of ... States K Engineering Co., Ltd., It's from 2002, located in Changzhou City, the Xixiashu industrial park. The Head office has its ... enterprise capable of tungsten mining, ore dressing, smelting, and milling, In addition, it and has the right to operate import and ...