Licensed Projects: Dangerous chemical operations, Import and export of toxic chemicals( Projects that require approval according to law, Business activities can only be carried out within the validity period of the license after approval by relevant departments,The specific business items and license period are subject to the approval documents or licenses of relevant departments.) General Projects: New material technology research and development, R&D of special electronic materials,Chemical product sales( Does not contain permitted chemical products), Plastic product sales, Synthetic material sales, Sales of surface functional materials, Sales of new membrane materials, Refractory sales, Sales of new organic active materials, Sales of special electronic materials, Sales of special electronic equipment, Rubber product sales, Sales of engineering plastics and synthetic resins, mold sales, Sales of high-performance sealing materials, Sales of electronic components and electromechanical components, Sales of power electronic components, Sales of new catalytic materials and additives, Sales of photovoltaic equipment and components, Electronic components wholesale, High quality synthetic rubber sales, New material technology promotion service, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Import and export of goods, Technology import and export, Machinery and equipment rental, Office equipment rental services, Warehousing equipment rental services, Sales of non-metallic minerals and products, Sales of building waterproofing membrane products( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license)