... of curtain fabric,with the engery of ultrasonic,so that all advantages of ultrasonic cutting is within this machine,including ... blinds,valance,drapery,awning,table runner,eye glass cloth,non-woven cloth,non-dust cloth,projector screen cloth, place mat After-sales Service:1. ... after-sale service department, engineers are meant to solve all the problems for customers, either through skype/msn,phone, ...