Chongqing Tongyu Stone Technology Co., Ltd., established on 2020-11-06, Business scope includes general items:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion,software development,IC Design,Advertising Design,acting,Graphic design and production,Professional Design Services,Big data service,internet data service,electronics sales,Mold Sales,Mechanical equipment research and development,Machinery sales,Instrument sales(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)