General items: technical entry and exit; Goods in and out; Metal material sales; rubber Products for sale; Building materials marketing; Construction decoration materials sales; Five gold products approved My hair; Machinery equipment for sale; Home electric appliance sales; Automobile zero parts approval; Plastic material Products for sale; Chemical products sales (excluding permitted chemical products); Electronic yuan Parts batch; Kitchen utensils, sanitary utensils and miscellaneous products for daily use; Computer hardware and software components and auxiliary Set up for approval; The sale and sale of gold products (except for items subject to approval under the law, operated by the company The business is licensed to operate the business activities according to the law.)