Huai'an Huanyu Tongfeng Pipeline Processing Factory

Huai'an Yida Environmental Protection Tongfeng Equipment

Chaotong Tongfeng Equipment Business Department

Zhongcai Pipeline (Bode Hardware Market Branch)

ERA Pipeline Huai'an Operating Center (Dachangjiang Home Furnishings Guangchang Branch)

Jinhao HVAC (Qixing Shui'an Branch)