Adopts double idler wheels and needlefeed materials at the same time, strong slope climbing force, small change of needle.
采用滚轮及针送同步送科，爬坡力强，针距变化小，针位极稳固。
2
The bottom feed, needlefeed and alternating foot top feed in connection with the high sewing foot stroke ensure an excellent material feed, which is a condition for an impeccable sewing result.
下送布、针送布以及交替压脚上送布再加上超高的压脚冲程保证了良好的送料，以获得完美的缝纫效果。
3
For replacing part (s) of needle, presser foot, throat plate, looper, spreader, feed dog, needle guard, folder, cloth guide etc.