Hunan Jiuzhou Screw City (Malan Shan Unit A Unit Branch)

Changsha Ruimai Stainless Steel Screw

Changsha Zhuoteng Stainless Steel Screw

Xinghui Construction Hardware (Yuehu Unit Phase 2 Branch)

Hunan Dengyi Screw (Malan Shan Unit Shop)

Wanshun Building Materials Hardware Hydropower (Yuehu Unit Shop)