3E Rapid Prototyping (3ERP) is an ISO certified manufacturer, built on the philosophy of 3Es, namely Excellent, Efficient and Economic, along with a dedicated team and the latest techniques to ensure your project runs successfully. 3ERP is committed to providing top quality rapid prototyping and low volume manufacturing service, including: CNC machining, vacuum casting , pressure die casting ,3D printing, rapid tooling&injection molding, sheet metal prototyping, plastic and aluminum extrusion.