jewelry( Except cultural relics)、 Household daily necessities、 Craft gifts、 wedding invitations、 Wedding Candy Box、 Home appliances、 Cultural and office supplies、 Building Materials、 Metal materials( Removal of precious metals)、 Metal products、 Electronics sales( Including online sales), Advertising Design、 Production、 release、 acting; Signage、 light box、 neon lights、Electronic display screen production、 Sale, Daily necessities packaging design, Wedding ceremony planning, Engaged in travel agency business, Tourism event planning, Interior decoration engineering design、 construction, Electronics and Intelligent Engineering、 Network Engineering Design、 construction, Computer System Integration, Import and export of goods or technology( Except for the import and export of goods and technologies that are prohibited by the state or involve administrative approval)。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)。