The position of Chinese sewing machinery products is gradually firm

China's sewing machinery products are gradually changing to high-speed, intelligent and multi-functional, household sewing machines have the trend of return, and the position of China's sewing machinery products in the international market is gradually strong.

Electric sewing machine throttle how to adjust the size?

Electric sewing machine throttle adjustment size, first of all, there is a big screw inside the head, there is a plus or minus sign, on the contrary, the reduction is to oil, plus is small oil.