This machine is mainly used for mattress tape sewing. The main advance is sewing head need not moving, but the lifting machine can turn angles to sew mattress of different thickness. It is equipped with Singer-300U chain sewing head and microcomputer controlling system imported from Japan. When producing, the conveyer can move forward, backward, turning 90 degrees or 180 degrees to sew the whole mattress automaticallyMachine size 3900*2800*1400mm Work table size 3900*2000*800 mm(adjustable) Mattress thickness 100mm - 400mm Sewing speed ≤ 8m/min (adjustable) Angle of sewing head 35° -55° Lifting range of sewing head ≤ 300mm (adjusted by motor) Power of sewing motor 0.37KW Power of lifting motor 0.37KW Power of conveyer: 0.37KW× 2 air pressure: ≥ 0.6 MPA