Zhutieguan Well Gaibizi (Spring Foundry)

Wholesale Jinggaizhu Tieguan Bizi Pipeline

Qiumo Guanjinggai

Municipal Pipeline Jinggai Valve (Jinhongtong Hardware, Plumbing Materials)

Qingdao Xingjie Building Materials Material Wholesale

Qingdao Rongqing Construction Decorating Materials Wholesale