Our machine is designed for manufacturing both equal and unequal with diameter from 1/2” to 32” of stainless steel ,carbon steel, alloy steel and some kinds of copper steel.It has individual power construction and electrical system,adopts PLC button centralized control and programmed touch screen operation system to realize four kinds of operation methods : inching, manual, semi-automatic and full automatic.the application of advanced control system makes the flow and pressure date to be adjusted automatically to achieve safe operation and better quality. our machines has the advantage of raw material saving and enery saving.