Weaving and processing of warp and weft knitted fabrics; technology research and development and technology transfer in the field of textile technology; clothing manufacturing, processing, and sales; sales of textile raw materials (excluding cotton); weaving, processing, and sales of automotive interior parts, car seat covers, motorcycle seat covers, and construction geotextiles; sales of household products, office supplies, daily necessities, and mattresses; engaged in the import and export of goods and technologies, except for goods and technologies that are restricted by the state or are prohibited from being imported or exported.