The registered address of hua guo xuan ventilation equipment ltd., texas, is located at 300 metres north of the intersection of huang hai road and tenshang street, shandong province. The legal entity is represented by the city market supervision authority, which operates on general items: wind engine, wind fan manufacturing; wind engine, wind fan sale; manufacture of refrigeration, air conditioning equipment; manufacture of general equipment (excluding special equipment); sale of refrigeration, air conditioning equipment; manufacture of specialized equipment for environmental protection; sale of specialized equipment; manufacture of specialized equipment (excluding licensed professional equipment); manufacture of non-metal mineral products; sale of non-metallic minerals and products; sale of warmer materials; manufacture of general valves and spin-off (without special equipment); sale of valves and spin-off equipment; manufacture of mechanical and mechanical equipment; sale of electrical equipment; sale of electrical and electrical equipment; sale of plastic fibres and plastics products; sale of electrical fibres; sale of plastics and plastics products; sale of electrical fibres; sale of plastics and plastics products. Licensing projects (in addition to projects subject to legal authorization, operating independently of the law on the basis of a business licence): manufacture of personal protective engineering equipment; subcontracting of construction services. (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)