
Milgo Electronic Corp.

Nanjing Zelang Pharmaceutical Technology Co., Ltd.Jiangsu Sheng, China

Shandong Architectural Design and Research Institute Co., Ltd.Shandong Sheng, China

OptoQ AB

Guangzhou Special Pressure Equipment Testing and Research Institute

Hengli CNC Technology Co., Ltd.Zhejiang Sheng, China

Hefei Zhenyue Industrial Equipment Technology Co., Ltd.Anhui Sheng, China

CHONGQING QIANWEI OFFSHORE PETROLEUM ENGINEERING & EQUIPMENT CO.,LTD.Chongqing Shi, China

Wanshengxing Precision Technology Huizhou Co. Ltd.

Daishin Doboku KK

Tianjin Yayuantai Steel Pipe Co. Ltd.

Pearl River Water Conservancy Commission Pearl River Water Conservancy Research Institute