General business items are: building materials, ceramic products, furniture, Refrigeration equipment, power tools, Hardware and Electrical, Handicrafts, semiconductor light-emitting diodes、 electronic components、LED lighting fixtures、LED Technology development, service and sales of display screens, E-commerce business( Involving prior administrative licensing, Must obtain prior administrative licensing documents before operating); domestic trade; Import and export of goods and technology。( law、 Administrative Regulations、 Except for projects that the State Council stipulates must be approved before registration)