DFB, BX series are a flatbed, multi needles, double chainstitch machine.
These serieses are multi-purpose machines for attaching elastic, attaching waistband, sewing the front of shirts, attaching line tapes, smocking and shirring etc., which are ideal for underwear, sportswear, lady's clothes, interior decorated goods (curtains, table-clothes etc.).
There are 2 up to 33 needles available due to vertical movement of the looper and also many kinds of gauges which are selectable according to your needs.