1) High quality blowing machine 2) Competitve price 3) High yield 4) Long service life The film blow machine is used to produce PE film or PE bags .Its an extruder, both the cylinder and screw rods are made of high quality alloy steel, that have been azotized and processed in a precision way. Hence it is sound in hardness, durable in corrosion resistance. The specially-designed screw is sound ...