1:single needle automatic industrial sewing machines 2:high quality and favorable price 3:different types to choose Juki automatic industrial sewing machines:the ... For heavy-weight material3:Max. Sewing speed:5,500rpm, 4,000rpm4:Max. stitch length:5mm, 4mm ,3mm5:Needle bar stroke:30.7mm ,29mm, 35mm6 ... .We welcome all the buyer to visit our company. single needle automatic industrial sewing machine