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
JUKI MH-380 2-needle Double Chain Stitch Sewing Machine Spring Type Lap Seam Folder Patchwork Binder Union Sepcail Hemmer - AliExpress
industrial sewing machines which can make 2-needles, double chainstitch (attaching tape) | Search by seams | PEGASUS CO.,LTD.