Processing, production and marketing: Air conditioning equipment, refrigeration accessories, purification equipment; Forging and powder metallurgy products manufacturing (stamping parts, sheet metal parts); Piping and equipment installation; Trade agency; Import and export of goods and technologies. (For projects subject to approval according to law, business activities can only be carried out after approval by relevant departments. ) (For projects subject to approval according to law, business activities can only be carried out after approval by relevant departments)