WF International Limited, through its subsidiaries, provides supply, installation, fitting-out, and maintenance services for heating, ventilation, and air conditioning (HVAC), floor heating, and water purification systems in the People's Republic of China. It serves large-scaled commercial projects consisting of offices, hotels, manufactures, airports, and hospitals; and commercial real estate development clients. The company was founded in 2009 and is based in Chengdu, China.