General business items are: Domestic trade, import and export of goods and technologies (excluding laws, administrative regulations, items prohibited by The State Council decision and items requiring pre-approval). Hardware product manufacturing; Hardware products wholesale; Hardware products retail; Hardware product development; Plastic products manufacturing; Mold manufacturing; Mold sales; Stationery wholesale; Stationery retail; Office supplies sales; Sales of electronic products; Sales of metal products; Metal cutting processing services; Machine parts, parts processing; Laser marking processing; Metal tool making; General purpose parts manufacturing; Manufacture of daily necessities; Technical service, technology development, technology consultation, technology exchange, technology transfer, technology dissemination. (In addition to the items subject to approval according to law, independently carry out business activities according to law with the business license), the permitted business items are: Production and sales of hardware products, plastic products and molds; Electronic products, shell production and sales; Import and export of goods. (For projects subject to approval according to law, business activities can only be carried out after approval by relevant departments, and specific business projects shall be subject to approval documents or license certificates of relevant departments)