Yunnan Tin Industry Tin Chemical Materials Co., Ltd., established on 2018-12-26, The business scope includes the development of non-ferrous metal chemical products and high-tech products,Production(Contains tin tetrachloride approved by safety production license,Tetrabutyltin,Dibutyltin oxide,Dibutyltin dichloride,Dibutyltin dilaurate,Tributyltin chloride,Production of Tributyltin Oxide,Except for other unlicensed hazardous chemicals);Sales of non-ferrous metal chemical products and high-tech products(Contains tin tetrachloride approved for business license of hazardous chemicals,Tetrabutyltin,Dibutyltin oxide,stannous octoate,Dibutyltin dichloride,Dibutyltin dilaurate,Tributyltin chloride,Sales of Tributyltin Oxide,Except for other unlicensed hazardous chemicals);Product after-sales service and technical support;R & D and development of replacement products and other new products of similar products;Chemical engineering design and equipment manufacturing,Install,repair;Non-ferrous metals and mineral products,Non-metal and mineral products,Sales of building materials,Purchasing,consignment;Environmental Protection Engineering Services;Import and export of goods or technology(Except for the import and export of goods and technologies that are prohibited by the state or involve administrative approval);Labor service,Technical Services(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)