Yuhong Service (Guanzhuang Road Service Provider)

Beijing Kenai Waterproof Company

Beijing Yuanda Hongyu Waterproof (Guanzhuang Branch)

Telai Dundian Shentou Waterproof Fangchao (Beijing Operating Center)

Rongchuan Building Materials Group (Baohuaban Building Materials Accessories 4S Shop)

Meichao Nizi Yuhong Waterproof (Dongxiaojing Ku)