1. It is usually used for these indoor rooms which need to maintain positive pressure, like as clean room, computer room and staircase with pressurized air supply, etc.. It can automatically control the positive pressure of indoor room. 2. It is self-weight control device of ...

Sichuan HongYang HVAC Equipment Co., Ltd. (HY)    [Construction & Real Estate]   [HVAC Systems & Parts]   [2016-05-26 18:58:05 ]

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