# Custom Molding Manufacturing From Prototype to Production > Zinc and aluminum die casting, precision CNC machining, and tooling export. ## Posts - [Zinc Plating Explained: Methods, Finish Options, and How to Prevent Defects](https://sinceretech.net/zinc-plating-explained-methods-finish-options-and-how-to-prevent-defects/): Zinc plating is an electrochemical coating process that applies a thin layer of zinc to a metal component, most commonly steel or iron. ## Pages - [Factory](https://sinceretech.net/factory/) - [Contact](https://sinceretech.net/contact/) - [Injection molding services](https://sinceretech.net/injection-molding-services/) - [die casting mold](https://sinceretech.net/die-casting-mold/) - [injection mold](https://sinceretech.net/injection-mold/) - [Services](https://sinceretech.net/services/) - [About](https://sinceretech.net/about/) - [Home](https://sinceretech.net/): We produce custom injection molds, injection molded parts, zinc and aluminum alloy parts with tight dimensional stability, backed by CNC machining, surface finishing, and direct DFM support from China. [comment]: # (Generated by Hostinger Tools Plugin)