Its suitable for bending and modelling the metal plates.Through it the plate can be rolled innto the round and are workpieces and the cone ones within the specified ranges.This machine has the functions of prebending plate at both ends and the merits of small remained sides and high efficiency.And the metal plates can be rough levelled throughit.This roll is widely used in petroleum,chemical industry,boilers metalstructure,shipbuilding,machine manufacture and other trades.