1. The sewing surface is not evenly meshed. <br>2. After molding into the last, the shoelace is not tied tightly to the last, which causes wrinkles on the surface decoration. <br>1. The operator is required to level the mesh cloth when sewing the surface of the car. <br>2. After molding into the last, the shoelace is tied tightly against the last and do a self-check.
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