High speed folding type mask making machine with sponge welding & valve welding function :The machine uses ultrasonic to produce folding type mask from the raw material feeding to the finished product. Including special optional functions controller (sponge welding, breather valve welding and pad printing). The standard machine speed can reach 50-60pcs/min. When turning on welding sponge function, speed is 25 -30pcs/min. While turning on ualve welding function, speed is 25-30pcs/min.