Operations prohibited by laws, regulations, and State Council decisions shall not be conducted; operations requiring permits (approvals) as stipulated by laws, regulations, and State Council decisions shall be conducted only after obtaining permit (approval) documents from the approving authority; operations not requiring permits (approvals) as stipulated by laws, regulations, and State Council decisions may be independently selected and operated by market entities. (Acquisition and sales of productive scrap metals; sales of metal materials (except those restricted by the state); production materials such as Category II and III electromechanical equipment, chemical products (excluding hazardous chemicals), and building materials; self-operated and agent import and export of various goods and technologies, except those restricted or prohibited by the state. Carbon material products, alumina, non-ferrous metals and their products, mineral products (excluding coal), steel. Wholesale and retail of electronic and electrical products; sales of tires, wheels, and automotive parts; leasing and sales of real estate; property management and services; vehicle inspection.)