This series machcne has four posts and two cylinder with very simple structure, can be operated by relay or "PLC" of hand or semi-automatic operating; or can he operated by hand control arm to realize man-running. Our machine have 100ton,200ton,350ton,500ton 800ton. And so on. This series machines is suitable for slightly strectching, bending, rolling correcting, pressing, hot and cold crushing. It can be used in plastic plate and friction plate forming. It can be also equipped with gouging cylinderf, Auto-sulfiding exhaust, contact screen style and coon as per various require merit. We can also deign and make various kinds work plates, strokes and open-gear hydraulic machineries for you If you need more information about our machine please contact us.