The registration address of the company is located in building no. 2 of the yunfung building, no. 111, wankang street, donghang city, guangdong province. The registration authority is the market supervision authority of donghyeong city and its legal representative is zhang linzhi. The activities include research and development, sale of: specialized equipment for environmental protection, electrical appliances for domestic kitchens, plastics, hardware products, machinery equipment, environmental protection, purification, energy-saving products, windpipe fittings, ventilation equipment; environmental engineering design, construction, commissioning, installation, maintenance and related technical consulting services; mechanical and electrical engineering, construction works, lighting works, municipal engineering contracts, investment in environmental protection projects and declaration procedures for the environmental evaluation of the agency. (projects subject to legal approval to operate with the approval of the relevant department)