Consulting service in the field of energy saving; research and development in the field of environment protection; providing information, analysis and consulting for carbon offset; computer software design; computer system design; remote monitoring of computer system; remote data backup; providing computing technology and programming information through websites; scientific research; vehicle performance test; research, design and development services for gas detector, electrical measuring instruments, electronic monitoring devices, special photographic equipment, sensor, data processing equipment, electric control board, computer program of downloadable software, monitor, remote control device; research and development of vehicle testing and detecting; design and development of vehicle repairing services for others; design of vehicle installations for others, namely, installation of mechanics, electronics, computer hardware and transportation tools; installation, maintenance and repair of computer software and hardware for vehicle; installation, maintenance and repair of processing equipment for vehicle; design of environmental protection for vehicles