1.Valve pin and the nozzle core are the straight –line movement to keep the valve pin moving smoothly
 

2.The nozzle have its own water-carriage-line,to avoid the nozzle moving plastic ring over-aging, which can extend the nozzle’s life time
 

3.The gate is a very a small ring ,and with good appearance ,and the color changing is very effective
 

4.This type is with higher mechanical and heat characteristics, widely suitable for every kinds of industrial material