
Tianjin Tianshi Biological Development Co. Ltd.

Shenzhen Wantongda Technology Co., Ltd.

Chengdu Yehua Technology Co., Ltd.

Nanjing Lanpucheng Industrial Co., Ltd.

Foshan Xingxing Refrigeration Equipment Engineering Co. Ltd.

Fengtianbao Agricultural Technology Co., Ltd.

Schneebeli Metallbau AG

Guangdong Sanzhu New Energy Co., Ltd.

China National Machinery Institute Group Harbin Welding Research Institute Co., Ltd

Hangzhou Jiacheng Machinery Co. Ltd.

Donglai Smart Transportation Technology (Shenzhen) Co., Ltd.

Xiamen Ridley Calibration Testing Technology Co., Ltd.