Xinxiong Copper Materials

Yifeng Copper Industry (Hongjiating Kechuang Zhongxindian)

Jintian Tonglv (Southwest)

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

Xin Mingtonglv

Yichangsheng Tonglv Wholesale