MainlineProject: Manufacturing of amusement equipment for ordinary outdoor amusement parks (excluding large-scale amusement facilities); Sales of amusement equipment for ordinary outdoor amusement parks; Manufacturing of teaching models and teaching aids; Sales of teaching models and teaching aids; Manufacturing of toys and indoor amusement equipment; Sales of toys and indoor amusement equipment; Toy manufacturing; Toy sales; Sales of toys, animations, and amusement products; Sales of plastic products; Manufacturing of plastic products; Sales of rubber products; Manufacturing of rubber products; Furniture manufacturing; Furniture sales; Internet sales (excluding goods requiring a license for sale); Sales of daily necessities; Sales of office supplies; Manufacturing and sales of baby and maternal products; Manufacturing and sales of sports equipment and accessories; Retail of sports equipment and accessories; Construction of sports facility sites; Retail of clothing and accessories; Mold manufacturing; Mold sales; Instrument and meter manufacturing; Instrument and meter sales; Manufacturing of experimental and analytical instruments; Sales of experimental and analytical instruments; Manufacturing of intelligent instruments and meters; Sales of intelligent instruments and meters; Manufacturing of cork products; Sales of cork products; Manufacturing of daily wooden products; Sales of daily wooden products; Sales of art and craft products and etiquette supplies (excluding ivory and its products); Manufacturing of art and craft products and etiquette supplies (excluding ivory and its products); Manufacturing of metal structures; Sales of metal structures; Manufacturing of audio equipment; Sales of audio equipment; Goods import and export; Technology import and export (except for the operation of essential projects, independently operate according to the business license and in accordance with the law).