http://pastport.jp/user/Senotay ja-JP Hebei Ou Tai Environmental Protection Equipment Co., Ltd. is located in Botou City, a famous "dust-removing hometown." The factory is located in Xihuan Industrial Park, Botou City, Hebei Province, which is located in the center of Beijing, Tianjin, Jinan, 2020-01-17T10:44:18+0900 http://pastport.jp/user/Senotay/timeline/HEBEIOUTAI%20ENVIRONMENTAL%20PROTECTION%20EQUIPMENT%20CO.%2CLTD Senotay http://pastport.jp/user/Senotay/timeline/HEBEIOUTAI%20ENVIRONMENTAL%20PROTECTION%20EQUIPMENT%20CO.%2CLTD