It is widely used in the installation of indoor/outdoor billboards, with simple structure and easy operation. Special design for haul-off by particular up and down technology of our company, working table stable, reliable and heavy duty force. Vacuum sizing tank having particular big eddy flow cooling system for cooling and sizing easy for cooling and sizing easy for high speed extruding necessary.It has the same process ability of wood, can use wood tools to saw, plane, ingot and the nail effect is better than regular wood material.