Guangdong Dongpeng Holdings Co., Ltd.
Sheng Shi Yuan Lin Group Co., Ltd.
Antolini Luigi & C SpaVERONA, Italy
Cerdia Produktions GmbH
S.Y. Technology Engineering & Construction Co. Ltd.
Seiler AGSwitzerland
SL Rasch GmbH Special & Lightweight StructuresGermany
Kuraray Engineering Co., Ltd.Osaka-fu, Japan
Jiangsu Zhongchao Environmental Technology Co., Ltd.Jiangsu Sheng, China
Ilshin Stone Co., Ltd.South Korea
Kyunghwa Engineering Co., Ltd.Gyeongsangnam-do, South Korea
BBL Bahnbau Lüneburg GmbHGermany