SINO PK is a famous cap mould maker China, we could offer you highly cost effective cap mould. We have engaged in making high technology cap mould for more than 15 years, could offer you best cap molding solution.

Cap submarine gate system mould, could hide the injection gate from the cap top. And customer could print some patterns on the cap. Submarine gate cap its priting looks more beautiful than pin point gate system cap.

The injection system difference is normal cap mould use pin point gate system and the gate located on the center cap top. Submarine gate system, if the cap mould is 24 cavities, usually the mould will use 6 points hot runner system. And one point has 4 submarine branches to control 4 cavities. The injection gate is located on the cao side part, it is not visible. Details please check below picture.