Plastic parts processing is generally a set of molds to do a color plastic parts processing, he is different with the multi-color plastic parts processing, multi-color plastic parts processing just monochrome plastic parts processing, in order to achieve multi-color plastic parts processing, need Master hot runner plastic processing technology, the current use of hot runner with a variety of plastic, a total of a variety of color injection processing parts are many. For example, we often used in the automotive field of plastic parts processing, from a variety of colors constitute the overall front and rear lights is extremely popular, it must also be installed in the same mold a number of hot runner system, that is, with a hot runner system injection of red, Another hot runner injection orange, the next hot runner system injection transparent color and so on. For many medical plastic injection molding products, one of the most basic requirement is not allowed to have gate marks. Because the gate marks may be broken through the health care workers gloves and skin, causing disease transmission. The solution is to use hot runner technology in the valve gate molding method, completely remove the gate marks.

For multi-color plastic parts processing is not an ordinary plastic parts processing plants can do, this need to have years of experience in processing plastic parts processing factory to complete.