The registration address of the lancheng automatic science and technology company, ltd., is located at no. 10, wong jiang town, dong chong city, guangdong province. The registration authority is the market supervision authority of dong chong city, represented by tang chunhua. The activities include research and development, design, production, processing, sale, installation and maintenance of sensory doors and accessories, open doors and accessories, electric doors and accessories, security doors and accessories, equipment for the closed school system, smart garbage houses, garage system equipment, security and surveillance equipment, doors and windows, hardware products and electronics; and construction services for the design of safety technology protection systems. (projects subject to legal approval to operate with the approval of the relevant department)