Water dripper mould

Water dripper mould is the very precision mould, when we make a water dripper mould,
we need a very profesional mould design and precise machining for cavities and cores.
1. how to make the ejection of water dripper mould?
2. how to make the dripper window very clean without flashes?
3. how to make the high speed injection moldings and use the smallest moulding machine for economical water dripper mouldings production?
4. which kind of hot runner system we need? SINO MOULD has made more than 30 sets of water dripper moulds for Israel, Jordan, USA...