Henan Rongbo Machinery Equipment Co., Ltd.

Langge Plastic Moulding Machine

Zhengzhou Yukang Mechanical & Electrical Equipment Co., Ltd.

Tiancheng Hardware Mechanical And Electrical (Zhengzhou University of Light Industry Teachers' Apartment Shop)

South Surveying & Mapping Instrument Co., Ltd. Instrument Daixiao Center (Henan Zhongsheng Surveying And Mapping Co., Ltd.)

Aizelasi Instruments of Surveying and Mapping (Vanke Chengya Meiyuan Branch)