The registration address of the company is located in room 105, no. 10, located in the city of dongqing, guangdong province, on the roads of jiashan, located in the city of dayongshan, with the registration authority being the market supervision authority of dong jing city, represented by a legal person, and includes the development, installation, production and sale of: ventilation and environmental equipment, dust purification equipment, exhaust gas treatment equipment, vacuum cleaning equipment, coating equipment; design of environmental protection equipment, technical services; sale of sewage treatment equipment, waterproofing materials; import and export of goods or technology (except for goods and technologies which are prohibited by the state or involve administrative authorization). (projects subject to legal approval to operate with the approval of the relevant department)