Dehe Environmental Protection Tongfeng Equipment Pipeline Engineering

Zhisheng Building Materials

Longji Stainless Steel Baitie Tongfeng Engineering Sheet Material Processing Center

Guangzhou Hexian Baitie Stainless Steel Equipment Tongfeng

Guanji Stainless Steel Baitie Pipeline Tongfeng Engineering (Xin Wangshang Wu Zhongxindian)

Building Materials Wholesale Business Department (PC Bancaiwa)