JE7340L high speed heavy duty lockstitch sewing machine features big rotary hook and self-lubricating systen to reduce bobbin changing and prolong the life of the hook and other easily damaged parts.

• JE7340L型高速厚料平缝机,采用大旋梭自动润滑系统,减少换底线次数,提高了生产效率。与同类不自动润滑厚料机相比较,旋梭及磨损件的使用寿命得到很大的延长,减少了不必要维修带来的烦恼。