Pfeifer Isofer AG
Unochrome Investments Ltd.
Sichuan Xindian Cable Co., Ltd.Sichuan Sheng, China
Guangdong Xizhongxi Technology Co., Ltd.Guangdong Sheng, China
SilverTours GmbHBaden-Wurttemberg, Germany
Shandong Energy Equipment Group Laiwu Equipment Manufacturing Co., Ltd
Shandong Zhongke Sharp Detection Technology Co., Ltd.
Shenzhen Aite Intelligent Technology Co., Ltd.Guangdong Sheng, China
Haining Haifeng Twisting Co. Ltd.
Marine Desalination Systems LLCDistrict of Columbia, United States
Med MicroPort (Tianjin) Medical Devices Co., Ltd.
Wollsdorf International GmbH