JQ 842-5 高速双针平缝机

本机采用循环供油方式，降低油耗，性能有了进一步提高，使用方便得低线量，通过左右独立的取现弹簧，可更细致地调节线的松紧。

The machine adopts circulary-oil-offerings.little oil-consuming.further improved capability quantity of base line confirming sindows,you can confirm the quantity of the base line by exterior adjustment of thread,through the right and left self-govetned spring as well.