Máy vắt sổ 2 kim 4 chỉ SUNSIR SS-B747F-514M2-24 High Speed Overlock Sewing Machine This machine is the ideal equipment that applicable to overedging and overlocking operation of all kinds of thin, moderate and thick fabrics. Due to its automatic lubrication device, the machine operates perfectly and smoothly at low sewing tension, and perfect and stable stitches even at high speed, with low noise and weak vibration. THÔNG SỐ KỸ THUẬT: