Ningsheng Steel Material (Qingdao Sifang Decorative City Shop)

Hengrui Steel Material

Qingdao Haidewei Steel Material Co., Ltd. (Qingdao Sifang Decorative City Shop)

Zhengyifeng Steel Material

Qingdao Sifang Decorative City

Qingdao Haidewei Steel Material Co., Ltd. Licang Branch