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Yong real bobbin quality highly abrasion-resistant high quality stainless steel alloy is used, bobbin case high wear resistance, low noise, strong run, no oil and no heat in high speed operation, keep at room temperature. Wing sprung forth from the bobbin-speed lockstitch sewing machine, embroidery machine, keyhole, herringbone ... ... ... ... ... Complete model, the price is right.
Update time:20180531145525