Single Needle Upper and Lower Feed Lockstitch with Automatic Undertrimmer
单针步靴自动割线送布平缝机

Features
@ Adept lubricating mechanism, durability of upper/lower feed mechanism is improved remarkably.
@ Thread trimming operation noise is reduced by improving the thread trimming mechanism

功能特点：
@ 采用新式供油系统, 提高上下送料装置的耐用性。