
Zhongtian Iron & Steel Group Co., Ltd.

China Construction Dingyuan Construction Engineering Co., Ltd.

Jiangsu Kerun Membrane Material Co., Ltd.

Ostertag Werke AG

Beijing Yilinuoyi Investment Co. Ltd.

Beijing Xinyihua Material Technology Co., Ltd.

Changzhou Joel Plastic Co. Ltd.

Rawicka Fabryka Wyposazenia Wagonow Rawag

Jiangyin Xinhai Highway Machine Material Co., Ltd.

Souriau Japan KK

Jingmen Chuangjia Machinery Technology Co., Ltd.

Bhr GmbH & Co. KG