FEATURES : Applied with the timing belt for connecting upper shaft and lower shaft, so even in high speed running, the machine is still running smoothly and noiselessly. Simply adjusted the adjusting rod could change the feeding volume of feed dog easily. The presser foot bar mechanism with special function of automatic lifting, so the machine is very suitable for curve picot- stitching. The uniform and beautiful picot stitch seams, ensured the high quality products. High efficiency and wide usability for blouse, shirt, dress, necktie, towel, handkerchief, tablecloth, sheet etc.