一般项目：金属结构制造；金属结构销售；金属制品研发；金属制品销售；金属

General items: metal structure manufacturing; metal structure sales; metal product research and development; metal product sales; metal material manufacturing; metal material sales; steel rolling processing; lighting fixture manufacturing; lighting fixture sales; cement product manufacturing; cement product sales; hardware wholesale Retail of hardware products; sales of electronic products; sales of building materials; sales of machinery and equipment; sales of household appliances; sales of general merchandise (except for items subject to approval according to law, carry out business activities independently according to the law). Licensed items: Import and export of goods (items that are subject to approval in accordance with the law can only be carried out after the approval of the relevant departments, and the specific operation items are subject to the approval documents or licenses of the relevant departments)

General items: metal structure manufacturing; Metal structure sales; Metal products research and development; Metal products sales; Metal materials manufacturing; Metal materials sales; steel extension processing; lighting equipment manufacturing; lighting appliances sales; cement products manufacturing; cement products sales; metal products wholesale; metal products retail; electronic products sales; building materials sales; machinery and equipment sales; household appliances sales; daily sales (except for items subject to approval by law, business license). Licensed items: Import and export of goods (projects subject to approval according to law may only carry out business activities after approval by the relevant departments, and the specific business projects shall be subject to the approval documents or licenses of the relevant departments).

General items: metal structure manufacturing; metal structure sales; metal products R & D; metal products sales; metal materials manufacturing; metal materials sales; steel rolling processing; lighting equipment manufacturing; lighting equipment sales; cement products manufacturing; cement products sales; hardware products wholesale; hardware products retail; electronic products sales; building materials sales; machinery and equipment sales; Sales of household appliances; sales of daily necessities (in addition to the items that need to be approved according to law, they should independently carry out business activities with their business license). Permitted items: import and export of goods (for items that need to be approved according to law, business activities can only be carried out with the approval of relevant departments, and the specific business items shall be subject to the approval documents or licenses of relevant departments).