... (or by clients option)3> welding for all kinds of blinds fabric.4> pocket welding, fold welding, fabrics joint welding, ... after-sales service Department for clients.application Products: roller shades,blinds, blackouts,sunscreens, awnings, fiber fabrics, polyester fabric, acrylic fabrics ... Free warranty period, the user must pay the cost of replacement parts and labor service on site.2) Reaction to ...