Tianjin Chaoyang Rock Technology Co., Ltd., established on 2015-07-23, The scope of business includes the development of electronic products,consult,Technical Services,technology transfer,Wholesale and retail;Computer and Application Equipment,communication products,office equipment,Integrated circuits and machinery and equipment,components,software development,consult,Technical Services,technology transfer,Wholesale and retail;advertising business;Class Ι medical device,Class II medical device,Family Planning Supplies,Daily necessities,clothing,shoes and hats,electronic product,primary agricultural products,cosmetic,Wujinjiaodian,cleaning supplies,Wholesale and retail of toys;food sales(Carry out business activities with a license).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)