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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 innovation ...
Telephone：86 - 010 - 130513501Address：No.158 Hanjiachuan Road, Haidian District Beijing Beijing 100094 China
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