New materials, composite material technology research and development, manufacturing, and sales (excluding hazardous chemicals); production and sales of chemical fiber products, textiles, bedding, sports goods, outdoor products, safety protection products, rope products, vehicle parts, ship parts, civilian drone parts, toy parts, photovoltaic parts, building materials, clothing, footwear, and headwear; self-operated and agent import and export of various commodities and technologies (excluding those restricted or prohibited by the state).