SA516 GR70 or Q235 or A36 pressure vessel/dish end SA516-70 pressure vessel, dishing , conical shape, flat roof shape, ... SA516 GR70 or Q235 or A36 pressure vessel/dish end Our company can supply SA516-70, normal carbon steel, stainless steel pressure ... , manhole, handhole, flanging hole and special rotation parts.Heavy oil press can provide various services of punching.Welcome to contact us for ...