Description
Yunnan Tin Co Ltd is a China-based company engaged in the exploration, mining, smelting, and processing of tin and non-ferrous materials. The company's products include tin ingots, lead ingots, indium ingots, silver ingots, antimony ingots, copper concentrates, tin- lead solders and lead-free solders, tin materials, tin-based alloys, organic tin and inorganic tin chemical products.