Our company can press and spin kinds of dish end. Here are the different shapes: elliptic shape, dishing shape, conical shape, flat roof shape, spherical arched shape and boiler profiled shape. At the same time, we can also press U-type revert ring, expansion joint, big/small-mouthed tapered step, butt welded elbow, manhole, handhole, flanging hole and special rotation parts. Heavy oil press can provide various services of punching.