Kingtex CXM2311/AL015 -- Bottom Hemming/ Anti-Curling/ Pressure Regulator

CXM2311 Cylinder-bed interlock sewing machine with left fabric edge trimmer is the best seller model for hemming. Equipped with the below optional devices for upgraded performance:
AL015: Pneumatic Presser Foot Pressure Regulator
The presser foot’s pressure comes from the air cylinder, which is controlled by the Electric air valve. The constant pressure makes the constant fabric feeding, and the constant fabric edge trimming.
UN002: Air-Blowing Type Anti-Curling Device
Curling edge is happened commonly when the fabric is light and elastic. It is a trouble when we are sewing. UN device makes the fabric flat when it is going into the presser foot, which makes a trouble-free sewing.