
Ceramiche Caesar SpAEmilia-Romagna, Italy

China Construction Fourth Engineering Division Corp. Ltd.

Zhengzhou Reform Purification Co., Ltd.Henan Sheng, China

Jiangsu Aifuxi New Building Materials Co., Ltd.

EDAG GmbH & Co. KGaAHessen, Germany

Shenyang Yuanda Environmental Engineering Co. Ltd.Liaoning Sheng, China

Imtech Deutschland GmbH & Co. KG

Walo Bertschinger AG

Heine GmbH & Co. KGNordrhein-Westfalen, Germany

Minelli AGZURICH, Switzerland

Goricon Metallurgical Services Ltd.United Kingdom

Hatch Pty Ltd.