Tangshan Zheng'en Mechanical & Electrical Equipment Co., Ltd.

Tangshan Aimin Mechanical & Electrical Equipment Co., Ltd.

Tangshan Gubo Mechanical & Electrical Equipment Co., Ltd. (Pumps Equipment Sales Department)

Tangshan Hongbang Machinery Equipment Co., Ltd.

Wannan Motor

Tangshan Kaiping North Huada Mechanical And Electrical Firm