

Brass CNC Machining: Precision & Fast Delivery
Custom brass CNC machining offers high precision, excellent machinability, and fast turnaround for industries like automotive and electronics. SG PROTO delivers tight tolerances up to ±0.01mm, multi-axis machining, and complete finishing solutions for prototypes and small-batch production.


Nylon 3D Printing: Vapor Smoothing Guide
Nylon 3D printed parts often have a rough, porous surface, especially with SLS and MJF technologies. This article explains how vapor smoothing improves surface finish, enhances mechanical properties, and delivers professional-quality results. Discover why vapor polishing is the ideal post-processing solution for functional prototypes and end-use nylon parts.


End-to-End Prototype Manufacturing Process
From design to delivery, SG PROTO offers a fully controlled prototyping workflow. Our process includes material sourcing, engineering review, precision machining (CNC, 3D printing, vacuum casting), surface finishing, and final inspection—ensuring every part meets exact specifications in both function and appearance.


High-Precision Aluminum Parts CNC Machining
High-precision CNC machining of aluminum parts ensures lightweight strength, tight tolerances, and superior surface finishes. From rapid prototypes to complex geometries, our advanced machining capabilities deliver reliable, high-performance aluminum components for aerospace, automotive, and industrial applications.


EPP Foam Prototype: Lightweight & Durable
EPP foam prototypes offer an ideal solution for early-stage product development where lightweight design, durability, and impact resistance are essential. Widely used in automotive, packaging, and industrial applications, EPP materials closely simulate mass-production performance. With flexible density options and small-batch production, EPP prototyping helps accelerate design validation and reduce development risks.


Scratches on Metal Parts? Try Brushing Surface Finishing
Discover how brushed finishing effectively conceals scratches on metal prototypes. Learn why this cost-effective surface treatment is ideal for aluminum, stainless steel, and brass parts in appearance prototypes and display samples.


Titanium Prototyping Services | High Precision CNC Titanium Parts
Titanium alloy prototypes offer exceptional strength, lightweight performance, corrosion resistance, and heat stability, making them ideal for high-demand product development and real-world functional testing across aerospace, medical, robotics, and advanced engineering industries.


CNC Turning Service in SG PROTO
SG PROTO specializes in low-volume CNC metal turning, providing global customers with a fast and economical bridge from prototyping to production. By leveraging advanced CNC lathes and expert engineering, we deliver high-precision components with strict tolerances and superior surface finishes across a variety of metals, including aluminum, titanium, and brass.
















