http://pastport.jp/user/thenowair ja-JP Shanghai Thenow Purification Technology Co.,Ltd is professional manufacturer of heat recovery ventilator and energy reovery ventilator systems. We are located in Shanghai China. With advanced production machinery, state-of-the-art laboratories and excelle 2020-02-17T13:35:10+0900 http://pastport.jp/user/thenowair/timeline/Shanghai%20Thenow%20Purification%20Technology%20Co.%2C%20Ltd. thenowair http://pastport.jp/user/thenowair/timeline/Shanghai%20Thenow%20Purification%20Technology%20Co.%2C%20Ltd.