Hyundai Polytech Co. Ltd.
Hope Senlan Science & Technology Holding Corp. Ltd.Sichuan Sheng, China
Chengdu Handong Technology Co. Ltd.
Mettler Toledo, Inc.
Nianfeng Car Products Co. Ltd.Zhejiang Sheng, China
Zibo Mingtong Environmental Protection Technology R&D Co., Ltd.
Hebei Transmission and Transformation Co., Ltd.
Shanghai Huabo Information Service Co., Ltd.
Shandong Haiyang Fenghui Equipment Technology Co. Ltd.
TECNOCAR S.R.L.Italy
LuckSky Holding (Group) Co., Ltd.
Zhejiang Zhongnan Construction Group Steel Structure Co. Ltd.Zhejiang Sheng, China