The machine series is new product series of high lead brand lockstitch sewing machines. It especially caters for the market demand for economic products. It is designed with link thread take-up, link feeding mechanism, bevel gear driving mechanism and automatic lubrication mechanism. It has the features of reliable machine quality, nice and neat stitch ness, easy operation and easy maintenance. It is widely available for stitching light to heavy weight fabrics for textile product bags, umbrellas, touring articles, sports articles etc.