The registration address of valid smart technology (tung chong), ltd., is located in room 102, no. 6 in sheikang square, sheang province, guangdong province. The registration authority is the market supervision authority of dong chong city, with legal representatives acting on behalf of li qingdong and covers general projects: development of electronic specialized materials; sale of electronic specialized materials; development of intelligent robots; sale of intelligent robots; development of mechanical equipment; leasing of machinery and equipment; sale of mechanical equipment; repair of general-purpose equipment; software development; manufacture of computer software and hardware and peripherals; retail sale of computer hardware and software and assistive equipment; making of metal-cutting machines; sale of metal-cutting machines; sale of medical equipment in category ii; sale of sanitary supplies and one-time medical supplies; installation, maintenance of industrial robots; sale ...