Huahao Pipe Ltd. in Cangzhou City of north China region Pipe
professional production of large enterprises. The company in 2002 through ISO9001 quality management system certification. The company has two production lines of the expansion. Major companies dealing with the international trade business customers, sales of seamless steel pipe production line pipe thermal expansion series, the Heat Pipe Series, ERW Pipe Series, spiral pipe, oil casing series of steel tubes, thick-walled seamless[...]