兴海县铜鑫矿业有限公司
兴海县铜鑫矿业有限公司成立于2014年8月，注册资金1000万元，经营范围：矿山开采、加工与销售，矿产品技术研发、咨询和服务。
铜鑫矿业隶属洛阳开元矿业集团有限公司，是青海省海南藏族自治州政府招商引资入驻的重点企业。公司主要矿山为玛温根银（金）矿。
玛温根银（金）矿位于青海省东部共和盆地西南缘一带，地处兴海县与共和县交界处，矿区距塘格木镇五大队西约5公里，倒邦公路从矿区南部通过，经铁盖乡可直达矿区，矿区距海南州约100公里，距西宁市约250公里，行政区划属海南州。探矿权面积8.76k㎡，海拔3400—3890米。矿区内已发现矿体6条，在鄂拉山多金属成矿带上，初步估算矿石储量在100万吨以上，矿石中富含：金、银、铜、铅、锌、锡、镉等元素，已具备大型矿山开采规模，潜在着巨大开采价值。
xinghai county tongxin mining co., ltd., founded in august, 2014, has 10 million yuan registered capital. its main business is the exploitation, processing and sale for mine, the research and development, consultation and services of mine products.
xinghai county tongxin mining co., ltd., belonging to luoyang kaiyuan mining group co., ltd., is a key enterprise in attracting investment for tibetan autonomous prefecture government of hainan, qinghai. the main mine of company is the ma wengen silver (gold) mine.
the ma wengen silver (gold) mine is located in the southwest edge of gonghe basin on the east of qinghai, and lies in the junction of xinghai county and gonghe county. from the diggings to xining city is about 250 kilometers, to hainan prefecture is about 100 kilometers, and to tram 5 in tang gemu town is about 5 kilometers. daobang highway passes through the south of diggings, and going by the tiegai township can directly get to the diggings. the administrative division belongs to hainan prefecture. the right of prospecting is 8.76 square kilometers in area, and it has 3400——3890 meters’ altitude. six ore bodies have been found. in the polymetallic belt of elashan, we preliminary estimates this belt has more than 1 million ton ore reserves. there are gold, silver, copper, lead, zinc, tin and cadmium in the ore reserves, therefore, it hides large exploitation value, and has a lager scale of mining.
