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.