
Zhonghui Technology Co., Ltd.Anhui Sheng, China

Gibson Electric Co., Inc.

Fujian Zhongma Construction Engineering Co. Ltd.

Xingtai Jinyu Jidong Cement Co. Ltd.Hebei Sheng, China

Lamberton & Co LtdCITY OF SCOTLAND, United Kingdom

Tangshan Jidong Equipment & Engineering Co., Ltd.Hebei Sheng, China

Suzhou Concrete Cement Product Research Institute Co. Ltd.

Bouygues Travaux Publics SA

DEUTAG GmbH & Co. KGRheinland-Pfalz, Germany

Hagn Umwelt GmbH

Daido Concrete Co., Ltd.

Mitsubishi Jisho Sekkei, Inc.Tokyo, Japan