Shenzhen Alu Rapid Prototype Precision Co., Ltd. Industry News Home News Choosing a Metal Manufacturing Technology Precision Needs: CNC machining or MIM for tight tolerances; casting for less critical dimensions.Complexity: Metal 3D printing for intricate designs; sheet metal for simpler shapes.Volume: CNC or 3D printing for prototypes/low volumes; die casting or forging for high volumes.Material: Match technology to metal (e.g., titanium for 3D printing/CNC, aluminum for die casting).Cost and Speed: 3D printing for rapid prototypes; CNC or sheet metal for quick production parts.