It applied heating system to make sure that the material will not solidify in the gating system and will not be pulled off with the product, thus hot runner mold is also called no runner mold. Since there is no time limit to the gating system for hot runner mould to cool, the product can be ejected out right after it solidified. The cycle time hot runner mold takes in injection is much shorter than traditional mold and it can save much material. Hot runner mold has been widely applied in some developed contries and districts.