
Qingdao Ruiyuan Engineering Group Co. Ltd.

Shenzhen Boyan Commercial Equipment Co., Ltd.

Manufacturas Muela SA

Wuxi Chenyuan Construction Equipment Co. Ltd.

Nippon Vinylon Co. Ltd.

Chengdu University of TechnologySichuan Sheng, China

Andrews & Wykeham Ltd.Hampshire, United Kingdom

Dongguan Qingyuan Electronics Co., Ltd.

Hefei Dayuan Building Decoration Engineering Co., Ltd.

Hunan Tengzhi Mechanical & Electrical Co., Ltd.

Converge Biotech, Inc.

Eishima Metal (Tianjin) Co., Ltd.