Yunnan Tongwei High-Purity Crystalline Silion Co., Ltd

International Industry Category: Manufacturing

International Industry Major Class: Computer, communication and other electronic equipment manufacturing

International Industry Middle Class: Manufacturing of electronic components and electronic special materials

International Industry Sub Class: Manufacturing of special electronic materials

Licensed Projects： Power generation business、 Power transmission business、 for（ match） Electricity business； Production of hazardous chemicals； Dangerous chemical operations； Inspection and testing services； Mobile pressure vessels/ Gas cylinder filling。（ Projects that require approval according to law， Business activities can only be carried out after approval from relevant departments， The specific business projects are subject to the approval documents or licenses of relevant departments.） General Projects： Manufacturing of special electronic materials； R&D of special electronic materials； Sales of special electronic materials； Non-metallic mineral product manufacturing； Sales of non-metallic minerals and products； Photovoltaic equipment and components manufacturing； Sales of photovoltaic equipment and components； Import and export of goods； Technology import and export； Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion； Heat production and supply； Solar power generation technology services； Recycled resource sales；Specialty chemical product manufacturing（ No hazardous chemicals）； Specialty chemical product sales（ No hazardous chemicals）。（ Except for projects that require approval according to law， Carry out business activities independently in accordance with the law with a business license）

Chinese Industry Category: Information Technology

Chinese Industry Major Class: Electronic

Chinese Industry Middle Class: Electronic equipment and parts manufacturing

Chinese Industry Sub Class: Electronic components manufacturing