Novel fastener stringer

The utility model discloses a novel fastener stringer, include the granny rag, draw the tooth, draw tooth equidistance 3mm to arrange on the edge of granny rag, draw the tooth to design into the L type structure of handstand, the top of handstand L type structure is hollow structure and designs into oval cambered surface, adopt the design of oval cambered surface to mesh easily by two crisscross teeth that draw about so that, hand feeling is good, long service lifetime, slide the la yanei on the opposite granny rag very easily with the oval cambered surface of L type, owing to draw the oval cambered surface of tooth to design the tapered structure that becomes to have a constant angle degree, the arc surface can block into to la yanei, simultaneously, owing to draw the tooth to adopt the metal material preparation to form, and adopt embedded engagement means, the intensity of its meshing is very big, can avoid exploding the condition of tooth in the use, the tooth that draws of this chain belt designs into th