Nanpu Xinpu Huangtong Guanzi Tongguan Yixing Copper Materials (Tai'an Road Branch)

Xinyang Copper Materials (Chang'an Branch)

Nantong Copper Industry - Tongbang (Business Office Zhongxindian)

Xinxiong Copper Materials

Yifeng Tongguan

Jintian Tonglv (Southwest)