
New Castle Refractories Co.

Seohyun Engineering Co., Ltd.

Alwitra GmbH & Co. Klaus GbelRheinland-Pfalz, Germany

ASung Industrial Development Co., Ltd.

Jiangsu Sutong Bridge Co. Ltd.

Henkels & McCoy, Inc.Pennsylvania, United States

Hitachi Power Europe GmbH

Hilong Pipeline Engineering Technology Service Co., Ltd.

Kyowa Engineering Co. Ltd.

Xin Zhongtian Environmental Protection Co., Ltd.Chongqing Shi, China

Jiangsu Huajian Construction Co. Ltd.

Novabrik International, Inc.Quebec, Canada