35YEARS PROFESSIONAL FACTORY
ZIPPER INDUSTRY LEADER
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Many factors that affected the zipper teeth chain: metal zipper pulls forming from the design principle, the deformation of the spiral Angle problem can be solved well, coupled with chemical fiber material shrinkage rate, cloth belt in the process of weaving, winding brings tension in the process of change, boiled in high temperature and high pressure in the process of dyeing effect on tooth chain, forming machine in the process of manufacturing, chain tooth deformation caused by the change of tension, stress deformation of flexible object itself, the shape and size of the tooth chain is relatively difficult to control, easily influenced by external and internal factors, thus changing size and shape. The size of the slider is easier to be precise and stable. Therefore, it is necessary to use the size and shape of the head as the corresponding base of the chain tooth to distribute the size and shape of the various parts of the chain tooth, which is the base hole system.