Nanjing Hongmao Mechanical And Electrical Co., Ltd.

Nanjing Baihai Standard Element Co., Ltd.

Nanjing Hengtong Communications And Electricity Co., Ltd.

Nanjing Zhongji East Stainless Steel Co., Ltd.

Nanjing Hongwangsheng Industry and Trade Co., Ltd.

Nanjing Ripu Stainless Steel Products Co., Ltd.