Injection mold acceptance must be done 10 points! 2017-02-18
First, the appearance of molded products, size, with 1. product surface does not allow defects: lack of material, charred, top white, white line, Phi peak, blistering, pull white (or crack, pull off), baking, wrinkles. The 2. Fitting marks: the general round perforation weld length of not more