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Tom Lv Hebei Changfeng Steel Tube Manufacturing Co., Ltd Address: Cangzhou Economic Development Zone, Changzhou City, Hebei Province, China Tel: 0086-0317-3092830 Fax: 0086-0317-3096617 Phone number:0086-13754534514 E-mail: tomlv@changf
Hebei Changfeng Steel Tube Manufacturing Group Co., Ltd.