Why Choose YYI Tech?

When precision meets durability — that’s YYI Tech. Our CNC stainless steel parts are trusted by engineers and product teams around the world for their accuracy, strength, and exceptional surface finish.

Whether you're prototyping a new product or scaling production, we’ve got your back with fast turnaround, consistent quality, and factory-direct pricing.

Highlights at a Glance

• Precision CNC Machining – Tolerances down to ±0.01mm

• Material Mastery – SS304, SS316, SS303 & more

• Corrosion Resistance – Built to endure harsh environments

• Global Shipping – Fast delivery, no matter where you are

• Flexible Production – From single prototypes to mass runs

What We Make

Our stainless steel parts are used in:

• Medical devices & surgical tools

• Automotive engines & fuel systems

• Aerospace fasteners & supports

• Consumer electronics housings

• Automation & robotics parts

From simple brackets to complex 5-axis machined housings — we do it all.

Materials & Finish Options

Choose from a variety of stainless steel grades:

• SS304: Great all-purpose strength and corrosion resistance

• SS316: Marine-grade, ideal for harsh chemical or salt environments

• SS303/416: Excellent machinability for intricate designs

Finish options include:

• Polishing

• Bead blasting

• Passivation

• Electropolishing

Frequently Asked Questions

Q: Can you work with my 3D files?
A: Absolutely. Send over your STEP, STL, or DWG files, and our engineers will take care of the rest.

Q: What's your turnaround time?
A: Typically 7–15 working days, depending on complexity and quantity.

Q: Do you ship internationally?
A: Yes, we ship worldwide via DHL, FedEx, or sea freight for bulk orders.

Q: Do you offer surface treatment or post-processing?
A: Yes, we offer a range of finishes including polishing, anodizing, and custom coatings.

Why Our Clients Keep Coming Back

• Real Factory Pricing – No middlemen, no markups

• Instant Engineering Support – Free DFM feedback on your design

• Guaranteed Quality – Each part inspected before shipment

• Flexible MOQ – Start small, scale big