
Charter Manufacturing Co., Inc.

Baker & Finnemore Ltd.

Xining Special Steel Co., Ltd.Qinghai, China

Jiangsu Shagang Co., Ltd.

Baosteel Group Shanghai No. 5 Steel Co., Ltd.

Shijiazhuang Iron & Steel Co., Ltd.

ERICO International Corp.

Weifang Special Steel Group Co., Ltd.SD, CN

Gustav Wolf Seil- und Drahtwerke GmbH & Co. KG

Fangda Special Steel Technology Co. Ltd.

Fangda Special Steel Technology Co. Ltd.

Shijiazhuang Iron & Steel Co., Ltd.