One-Stop Stainless Steel Processing

Sep 04, 2025
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One-Stop Stainless Steel Processing

Looking for stainless steel casting? CNC machining? Polishing services? PVD surface treatment?

You can come to us for just one process — but you’ll quickly discover that we can do so much more.

While the market offers specialized polishing or CNC shops, it’s rare to find a partner who can handle the entire process: from raw material → machining → polishing → surface finishing.
Process Flow Chart: Raw Material → Machining → Polishing → Surface Finishing

At ALLWIN, that’s exactly what we do.

Whether you need a single process or a complete, start-to-finish solution, we are ready to deliver — with precision, consistency, and flexibility.


Our Processing Capabilities

Investment Casting


Supported Materials: 304 / 316 / 2205 / 2507 stainless steel

Advantages: High forming flexibility, dimensional stability, ideal for small to medium production runs

Investment Casting

CNC Precision Machining


Precision: ±0.1 mm

Capabilities: Threading, angled surfaces, complex internal structures, lathe machining, milling, multi-axis machining

Applications: Structural components, precision hardware for assembly

CNC Precision Machining

Hand Polishing


Finishes: High gloss, mirror, brushed, satin finishes

Quality Control: Each piece is manually inspected to ensure consistent quality

Hand Polishing

Surface Finishing (PVD / Powder Coating / EDC)


PVD: Premium matte black, gold, rose gold — scratch-resistant and corrosion-resistant

Powder Coating: Wide color range, excellent coverage

EDC: Designed for outdoor durability and weather resistance

Surface Finishing (PVD / Powder Coating / EDC)

Why Choose ALLWIN for One-Stop Processing?

  • Higher quality consistency — Full in-house QC across all processes
  • More flexible lead times — No need to coordinate multiple suppliers
  • Lower procurement and communication costs — Streamlined project management
  • Less risk, fewer reworks, more trust — Clear accountability, reliable outcomes
ALLWIN QC & Advantages Illustration


One Partner. One Process

Sometimes, you may only need one step.
Sometimes, you’ll discover that trusting ALLWIN from start to finish makes the entire project more efficient.

ALLWIN — your trusted processing partner.
No matter which stage of the process you need, we’re ready to deliver — and deliver it well.

Ready to Start Your Project with ALLWIN?

Send us your drawings, samples, or prototype requirements — we’ll provide tailored processing recommendations.

Request a quote for individual processes — fast, honest, and with no sales pressure.

Explore complete OEM/ODM services — ALLWIN is ready to support seamless integration and streamlined production for your projects.
Contact ALLWIN
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