Chenzhou Mining Co., Ltd., Yunnan Yunnan Tin Tin Tin Industry Group is the only listed company, is the world's tin industry ranked first in tin production, processing enterprises, China's largest tin timber, tin chemical machining centers, is the world's tin production Enterprises chain longest, most complete enterprise, representing leading Chinese tin industry. The main products are tin, while production of copper, lead, zinc, nickel, indium, bismuth, silver and other non-ferrous metals and deep-processed products. YTC Chenzhou Mining Co., Ltd. is a wholly owned subsidiary of Yunnan Tin, is one of the key projects to invest in the tin industry base and a complete set of tin industry chain in Chenzhou, the company has achieved ISO9001 quality management system certification, ISO14001 environmental management system certification, OHSAS18001 occupational health and safety management system certification. Has formed a mining, smelting, processing factories, and other tin industry cluster, has a complete and scientific quality management system, the production is fully in line with EU standards of environmental protection RoHS lead-free solder products, the effort to build a high-quality "YT" lead-free products.