本機采用連桿式送料機構，針桿挑線，彎針勾線，形成雙線鏈式線跡。線跡牢固且富有彈性，適用于服裝內衣，床上用品及薄形包裝和皮革制品的搭接縫、裝飾縫，針間距有五種規格可供選擇。
MD 3800-2為雙針縱列鏈式平縫機；MD 3800-3為三針縱列鏈式平縫機。
This machine adopts link-typed feeding mechanism,needle bar thread taking up,and looper thread catching to produce two lines of chainstitch,which is firm and elastic,suitable for lapping seam and decorative seam on garment,underwear,bedding articles and leather goods.There are five different gauges available for selection.
MD 3800-2 double-needle vertical chain lockstitch sewing machine
MD 3800-3 three- needle vertical chain lockstitch sewing machine
