Chongqing Kechang Technology Co., Ltd., established on 2008-11-20, Business scope includes research and development,Sales of chemical products(Free of chemical hazards);Sales of mechanical and electrical equipment(car not included),hardware,AC,Instrumentation,metallic material(No precious metals),rubber products,plastic products,building materials(Free of chemical hazards),stationery,Computers and Accessories,digital product.**[National law,Operation prohibited by administrative regulations;National law,Administrative regulations stipulate that the operation can only be carried out after obtaining a license,Do not operate without a license]