GENEVA, May 9 -- GUANGXI HUAXI MINING CO., LTD. COPPER PIT MINING BRANCH (Tongkeng Community, Dachang Town, Nandan CountyHechi, Guangxi 547205), 广西华锡矿业有限公司铜坑矿业分公司 (中国广西壮族自治区河池市南丹县大厂镇铜坑社区), LIUZHOU HUAXI NONFERROUS DESIGN AND RESEARCH INSTITUTE CO., LTD (No. 230, Building 3, Building A, No. 19 Chuyang Road, Liuzhou City, Guangxi Zhuang Autonomous Region; Production and Operation Location: No. 10, East 2nd Road, Science and Technology Park, Yufeng District, Liuzhou CityLiuzh...