Yunnan Yuntong Zinc Industry Co., Ltd. belongs to Yunnan Copper Industry (Group) Co., Ltd. and is made of zinc alloy. Mining development; Zinc smelting; A large state-owned nonferrous metal smelting enterprise mainly engaged in the production and operation of oxygen, nitrogen and argon. On May 16, 2006, Yunnan Copper Xinxing Zinc Alloy Co., Ltd. and Belgium Umice Company were successfully established and held relatively. At present, the company's smelting, deep processing technology and various indicators are oriented to international standards.