In shenzhen city, the registration address of the technical company ltd. Is located at 49 3rd floors, 303 rooms, of the jiahua innovation park, 241 chan road, located on the long wave street, shenzhen city, with registration as the shenzhen market supervision authority, with legal representatives and general operating items including: lcd equipment, digital products, electronics, advertising machines, digital signs, electronic whiteboards, lcd display units, commercial monitors, security surveillance equipment, smart control terminals, internet media display equipment, technological development and marketing of hardware, digital products; electronics metaware, computer software and hardware, technological development, design and sale of digital products; gold sales; domestic trade; and import and export of goods and technology. (except for projects prohibited by laws, administrative regulations; projects restricted by laws and administrative regulations are subject to authorization for the operation) and the licensed projects are: lcd equipment, digital products, electronics, advertising machines, digital signs, electronic whiteboards, lcd display units, commercial monitors, security control equipment, smart control terminal equipment, hardware products, gold gold production and processing。