Changsha Changtai Robot Co., Ltd.

Hunan Sinoboom Intelligent Equipment Co., Ltd.

Hunan Wuxin Tunnel Intelligent Equipment Co., Ltd.

JOINTO Technology Co., Ltd.

Hunan Chengyuan Electrical Co., Ltd.

Luhui (Hunan) Network

Wanshsin Seikou (Hunan) Co., Ltd.

Hunan Shenyi Precision Parts Co., Ltd.

Hunan HKT Technology Co., Ltd.

Hunan Esino Technology Group

Darnal Intelligent Group

Changgao Neet Co., Ltd.

Gold Cup Electric Apparatus Co., Ltd.

Hunan CHIOPT Optical Technology Co., Ltd.

Wasion Holdings Limited