DT series :: Feed-off-the-Arm, 3 Needle Double Chain Stitch Machine for felling operation of heavy weight garments - Double-chain stitch | Products | Yamato Sewing Machine Mfg. Co., Ltd.
Amazon.com: GIKIO The Newly Upgraded Double Needle Double Chain Electric Sewing Machine, A Variety of Side Seam Functions, 5 Kinds of Stitches and Adjustable Stitch Density, Can Sew 3~4 Layers of Denim
Wholesale Hot sale New JUKIS MH-380/ 382 High-speed Flat-bed 2-needle Double Chainstitch Sewing Machine From m.alibaba.com