It is the classic and basic model of single needle lockstitch sewing machine. It is adopts the special design for low vibration, low noise, a indicators than standard. It is suitable for sewing different kinds of light, medium and heavy materials in garments industry, The appearance is nice and practical, the low noise, small vibration, stable stitch and cheap consumption make its much valuable in garments working. The automatic oil supply system keeps the machine working at high speed smoothly.