Sale: building materials, Chemical products( No dangerous goods), Mineral Products, mechanical, ethnic handicrafts, Hardware and Electrical, scrap metal( Does not include national controlled substances), agricultural products, livestock products, Daily necessities, communications equipment, Mechanical and electrical products( Excluding cars), security equipment、 Computer equipment and accessories, Office automation equipment, Electronics, Clothing, shoes and hats, cosmetic, rubber products; Agricultural development; Import and export trade business( Except for goods and technologies stipulated or prohibited by national laws and regulations); Agency for processing industry access permits for export products sold overseas, Foreign-related contracted projects, labor export, Recruiting international students through intermediary services; Organize cultural exchange activities between schools with international connections; Construction project labor subcontracting。(Involving licensed business projects, Business operations must be conducted after obtaining permission from relevant departments)