Tianjin Meiteng Technology Co., Ltd.

Tianjin Zhongdian Celestial Science and Technology Co., Ltd.

Shandong Huaning Electric Tracing Technology Co.,Ltd.

MODULA (CHINA) AUTOMATION EQUIPMENT CO., LTD.

Beijing ConST Instruments Technology Inc.

Guangzhou Doppler Electronic Technologies INC

Kunshan Jiangjin Machinery Co., Ltd.

Jinggong Automatic Control Instrument Complete Technology Development Company