No158 Hanjiachuan Road,Haidian District, Beijing, China, China

HOLTOP is the leading company in China specializing in heat and energy recovery ventilation systems. We are one of the equipment suppliers for Beijing Olympic 2008, and the contracted heat exchangers ...

No.158 Hanjiachuan, Haidian, Beijing, China

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Guangzhou is the star of the Group specializing in the production of central air-conditioning equipment and accessories and is responsible for the installation of the project wholly foreign-owned ente...