Hofmann Engineering Pty Ltd.Western Australia, Australia
Chengbang Eco-Environment Co., Ltd.Zhejiang, China
Godelmann Pflasterstein - GmbH & Co. KG
Petrocon Engineering, Inc.
Shanghai Jiulong Electric Power (Group) Co. Ltd.Shanghai Shi, China
IAV GmbH Ingenieurgesellschaft Auto und Verkehr
Xinjiang Communications Construction Group Co., Ltd.
Linfair Engineering (HK) Co. Ltd.
Shanghai Pudong Construction Co., Ltd.Shanghai, China
Shanghai Urban Construction City Operation (Group) Co., Ltd.
Sogo Kaihatsu Co., Ltd.Kagawa-ken, Japan
Jiangsu Hengshen Fibre Materials Co. Ltd.Jiangsu Sheng, China