OEM two color injection molds Personalized:When designing molded parts, the overall structure of the cavity should be determined according to the properties of the plastic, the geometry of the product, the dimensional tolerances and the requirements of the use. Secondly, according to the determined structure, select the fractal surface position, gate, vent position and demoulding mode.Finally, according to the size of the control product, the design of each component and the combination of the parts are determined.