The general business items are: Jewelry, jewelry, handicrafts (excluding ivory and its products), jewelry design, service and sales, and related technical consulting; Marketing planning; Enterprise management consulting and information consulting (excluding talent intermediary services, securities, futures, insurance, financial business and other restricted projects); Domestic trade, engaged in the import and export of goods and technologies (except for the items that are required to be approved before registration according to laws, administrative regulations and decisions of the State Council). Engaging in investment activities with its own funds; Internet sales (except for the sale of goods that need to be licensed); Jewelry wholesale; Jewelry retail; Jewelry recycling and repair service; Sales of gold and silver products. (In addition to the items that need to be approved according to law, the business activities shall be carried out independently according to law with the business license), the permitted business items are: Import and export of gold and its products. (Projects that need to be approved according to law can only be operated with the approval of relevant departments. The specific operation items shall be subject to the approval documents or licenses of relevant departments)