1. Co-Injection 2.Core/Cavity material:2311,2311 3.Finish core/cavity: Polishing 600 1. Co-Injection2.Prompt Response3.Highest Quality4.Competitive ... surface texture11.Ejection type:tripped plate,Ejector pin,Blade Pin12.Injection type: Side Edge,Central Gate,Banana Gate,Submarin Gate13. ... as CNC/EDM/Wire-Cutting/Milling Machine/Grinding Machine/Injection Machine.etcWe have a strong R&D center design ...