SYL Series monofilament manufacturing machine for zipper is developed based on the advanced technique from Germany such as PLC programme control, Frequency conversion speed regulating and so on. Main electric components are world top-quality products. With the advantages of high production, low energy consumption, good quality of monofilament shaping, mostly technical criteria of this machine have reached up to the international advanced level. This machine can be used to produce monofilament for zipper and industry ones with the material polyester chip(PET)or bottle flakes.