... shades welding machine 1.welding fabric:sunscreen,blinds 2.soldering by heat& Impulse 3.welding smooth& strong Roller Shades Welding Machine ... welding time could be finished in 20 sec, and adjustable by your materials.9. High efficiency, good welding quality, succinct, ... operated.10. Touch screen control panel or button control panel by your choice.11. replace traditional sewing machine,improved the ...