HIGH-SPEED STRETCH SEWING MACHINES SERIES IS SUITABLE FOR SEWING KNITTED UNDER WEAR, SPORTS SHIRTS AND TROUSERS,  ELASTIC TAPE OF SKIRTS ETC. SUCH AS COLLAR EDGE AND SLEEVE-CUFF ETC. THIS SERIES MACHINE CAN FROM BASIC STITCHAND COVERING STITCH. ON THEABOVE-MENTIONED BASIC STITCHES, THROUGH  DERIVATION,IT CAN ALSO BE USED AS SPECIAL SEWING MACHINE TO SEW NYLON ZIPPERS AND SCALLOPS. THIS MACHINE ADOPTS CO-MPLETE-CLOSEDAUTO LUBRICATION SYSTEM, MAIN DRIVEADOPSTIMING BELT TOASSURE HIGH SPEEDAND LESS NOISE THE CONCERNEDPARTsARETHROUGHSPECiALTREATMENT,TO IMPROVE ITS WEAR-RESISTANCE CAPACITY.