It adopts the advanced F.F forming system, which features in series of merits such as stably forming and high surface quality besides easy to meet the different requirements. It can be divided into two parts, one is rough forming section, the other is fine forming section. In the rough forming section , it shares the same rollers, by freely adjusting the specification, achieving simply and quick performance. There is no need to share the same rollers in the fine forming section, thus the investment in equipment and the storage of the spare parts will be substantially reduced.