IMA Materialforschung & Anwendungstechnik GmbHSachsen, Germany
Shanghai Ship & Shipping Research InstituteShanghai Shi, China
Research Institute of Highway Ministry of Transport
SWARCO Traffic Systems GmbH
Parc Technologies Ltd.
Kummler & Matter AGZURICH, Switzerland
Schletter GmbH
Zhejiang Dadi Steel Structure Co. Ltd.
Guangdong Feida Traffic Engineering Co. Ltd.
KUVAG GmbH & Co. KG
Outimex AG
Chengdu Yaguang Electronics Co., Ltd.