This is the image of two types of silver spray stem has 2 bolts and 4 bolts to attach to the frame-injection Stem is the connection between the machine's nozzle, and plastic channels, havethe task of putting the plastic nozzle of the machine from the line to lead or direct channelnext to the heart (for the mold has no channel Guide). Stem systemsthe spray is used most often have silver spray stem, often usedSilver spray stem for easy replacement and machining.
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