Manufacturing of special equipment for environmental protection; manufacturing and processing of hardware accessories; manufacturing of auto parts and accessories (excluding automobile engine manufacturing); wholesale of auto parts; wholesale of hardware products; sales of special equipment; wholesale of environmental protection equipment; wholesale trade of goods (except for goods subject to licensing approval); retail trade of goods Yi (excluding licensed and approved goods); import and export of goods (except for specialized and controlled goods); technology import and export; chemical fiber weaving and processing; manufacturing of other non-household textile products; manufacturing of special textile equipment; wholesale of textiles, knitwear and raw materials; wholesale of aquarium equipment and supplies; wholesale of motorcycle spare parts;