ZS-520全自動底線繞線機產品介紹 該系列機器是旋梭梭芯的自動纏繞專用機械款設備。具有操作簡單、不卡梭芯、不傷梭芯、不易斷線、降低成本、高效穩定等優點，是絎繡機、繡花機、平縫機理想的配套產品。ZS-520是ZS-5更新換代產品，其工作原理與ZS-5A相同，但外觀比ZS-5靚麗、美觀。 This series of machines are special machines for automatic winding of shuttle cores. It has the advantages of simple operation, no sticking of shuttle core, no damage to shuttle core, no easy thread breakage, low cost, high efficiency and stability. It is an ideal matching product for quilting embroidery machine, embroidery machine and flat sewing machine. Zs-520 is an updated product of ZS-5. Its working principle is the same as zs-5a, but its appearance is more beautiful and beautiful than ZS-5.