Sealing products、 rubber products、 Processing and sales of decorative materials, Chemical products and chemical reagents(Does not contain hazardous chemicals or monitored products)、 Ceramic products and materials、 Glassware、 Instruments、 Hardware and Electrical、 Department Store、 art supplies、 office equipment、 Mechanical and electrical equipment、 agricultural and sideline products( No food)、 Metal materials、 Knitted textiles、 Sales of clothing, shoes and hats, Planting of agricultural products、Aquaculture and sales,Experimental analysis instruments、 Research and development of teaching equipment、 Production、 Sale、 Installation and commissioning, Multimedia teaching、 Compilation、 broadcast、 live、 Integrated pipe system production、Install、 debug, Fire protection facility maintenance and inspection、 Fire safety assessment technical services, Electronic products and patent technology consulting services, Acting as an agent and operating self-operated import and export business of various commodities and technologies。( State Law、 Except for those prohibited by administrative regulations or requiring prior approval)( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)