P-TechNorth Carolina, United States
TIANJIN KANGYUAN CONSTRUCTION MACHINERY CO.,LTD.Tianjin Shi, China
Siegel & Co.Nordrhein-Westfalen, Germany
Zhejiang Belle Sanitary Ware Technology Co., Ltd.Zhejiang Sheng, China
Lengshuijiang Boqiang Cold Heading Steel Co., Ltd.
Zhengzhou Electric Power Vocational and Technical CollegeHenan Sheng, China
Shanghai Diqi Automation Equipment Co., Ltd.
Wuhu Ruijing Machine Tool Co., Ltd.
Addex, Inc.United States
Shanghai Shixi Junior Middle School
Leyard (Shanghai) Digital Technology Co., Ltd.
Zhejiang New Dawn Construction Co., Ltd.