Dabang Baitie Tongfeng Engineering (Kitchen Paiyan Youyan Cleanse)

Baoshun Baitie Fengguan Paiyan Paiqi Yanzhao Youyan Blower

Huichuang Environmental Protection Tongfeng Engineering

Pengtong Baitie Tongfeng Engineering Department

Yimou Environmental Protection Tongfeng Equipment Business Department

Jiabao Hardware and Building Materials