cocoon bobbin thread*1*:apply to SWISH,SAURER,LA"SSER,flat bar machine
*2*:non-polluted ,few jionts,even twists,high intension

cocoon bobbin thread *1*: polyster bobbin thread: 60S/2, 50S/2, 80S/2

                                   *2*: DTY bobbin thread:        150D/1,100D/1,75D/2

                                   *3*: (JC) bobbin thread of 100%cotton:60s/2, 50s/2,80s/3

                                   *4*: silk cotton thread:60s/2,50s/2,80s/2