Research, development and sales of nano materials, polymer materials and plastic particles; Engage in technology development, technical consultation and technical services in the field of chemical science and technology; Sales of feed additives, textile auxiliaries, chemical raw materials and products (except dangerous chemicals), textiles, plastic products, hardware tools and instruments; Self operated and acting as an agent for the import and export of various commodities and technologies, except for the commodities and technologies that are restricted or prohibited by the state. (for projects subject to approval according to law, business activities can be carried out only after approval by relevant departments)