The registration address of kostl instrument technology ltd., dongchung city, is located in room 303, no. 13, golden jade ridge road, east chang city street, guangdong province. The registration authority is the market supervision authority of dongchung city, with representatives of the legal entity liao yi, and its activities include research and development, production and marketing: automation equipment and accessories, electronics, detection devices, and instrumentation. (projects subject to legal approval to operate with the approval of the relevant department)