Auspicious Sign Tubing Pipe Fittings Kingbull Pipe Industry (Shengcheng Street Branch)

Jianhua Water Heating Pipe Fittings Xinfeng Water Purification

Huaya Tubing

Taiba Pipeline (Shouguang General Agent)

Jinan Pipe Fittings Sales Agency

Shengda Tubing Valve Sanitary Ware (Shengcheng Street Branch)