Beijing Holtop Artificial Environment Technology Co., Ltd.

Holtop is the leading manufacturer in China specializing production of air to heat recovery equipments. Founded 2002, it has dedicated research and technology development field ventilation energy saving handling equipments for more than 10 years. Products Through years ...

Telephone：86-20-39388201Address：Room 2-1108 Industrial Plaza, Tian An Hi-Tech Ecological Park,