WF International Limited, operating through its various subsidiaries, specializes in providing comprehensive services for environmental control systems across the People's Republic of China. This includes the procurement, setup, customization, and ongoing upkeep of heating, ventilation, and air conditioning (HVAC) systems, as well as dedicated solutions for water purification, air quality management, and underfloor heating technologies.

The company's clientele spans significant commercial projects, such as corporate offices, hotels, manufacturing facilities, airports, and healthcare complexes. Furthermore, it collaborates with commercial real estate developers who specialize in luxury, fully-equipped residential properties. WF International is also actively seeking and bidding on assignments within the industrial sector.

The firm was established in 2009 and is headquartered in Chengdu, China.