Xi'an Yurcent Environmental Technology Co., Ltd.

Jiangsu Hongda Instrument Technology Co., LTD.

Gansu JISCO Group Hongxing Iron and Steel Co., Ltd.

Beijing Consen Automation Technology Co., Ltd.

Wuyang Iron and Steel Co., Ltd.

INESA Scientific Instrument Co., Ltd.

Hubei Kailong Chemical Group Co., Ltd.

LANZHOU LS HEAVY EQUIPMENT CO., LTD.

Yanda (Haimen) Heavy Equipment Manufacturing Co., Ltd.