... fabric:sunscreen,blinds 2.soldering by heat& Impulse 3.welding smooth& strong Roller Shades Welding Machine > Function and Features: 1. fabric fold ... welding, fabric joint welding, edge welding, roller blinds PVC strip welding.2. used for all kinds of ... fabrics, mainly for roller blinds,sunscreen,roller shades,sunshine fabric.3. weld length&time adjustable.4 ...