For thirty years, Chi Chang has been designing and manufacturing fully computerized lines for Film, Sheet and Pipe Extrusion and Co-extrusion. Our highly qualified team of engineers, operators and technicians has always been searching for high extrusion technology to meet your requirements. Now, Chi Chang has offered a complete new machine, Automatic Cast PE Film Extrusion Liner for making Breathable Film. This Breathable Film is especially designed for baby diaper and mask. It has been used as an unique ventilating outer cover with micro pores. It helps to prevent stuffiness and rash