
Luoyang Wuxin Metal Material Technology Co., Ltd.Henan Sheng, China

Dongguan Lingjie Metal Precision Manufacturing Technology Co., Ltd.

Tianjin Jiuhe Yongshun Machinery Co., Ltd.Tianjin Shi, China

Chongqing Meixin Group Co. Ltd.Chongqing Shi, China

John Bodger & Sons Co.California, United States

Tianjin Piastics Research Institute

Shanggong Fuyi Intelligent Manufacturing (Tianjin) Co., Ltd.

SCHMID Yaya Technology Co., Ltd.China

Double Crane Pharmaceutical (Hainan) Co., Ltd.Hainan Sheng, China

Boston Elevator Suzhou Co. Ltd.Jiangsu Sheng, China

Research Institute of Highway Science, Ministry of Communications

Yuangu New Materials Co., Ltd.Zhejiang Sheng, China