MAO / MPC / PEO is a process that helps metal “grow a layer of ceramic-like armor,” making it hard, wear-resistant, rust-proof, and heat-resistant.
It is not paint or a plated layer of metal.
It is a “ceramic skin” that grows from the metal body itself.
Think of it as:
Medical grade skincare for metal: Turning fragile skin into a healthy, heavy-duty protective layer.
Putting on armor: The core remains aluminum, magnesium, or titanium, but the outside gains a high-strength protective layer.
MAO (Micro-Arc Oxidation) and PEO (Plasma Electrolytic Oxidation) are general terms for this technology. MPC is a multi-layered plasma ceramic surface treatment solution developed specifically by Raymag for high-end applications.
Metal without proper surface treatment is like a smartphone without a screen protector—problems will occur eventually:
Scratches (Softness): Like an unprotected screen getting scratched in a bag. For metal products, this means ruined aesthetics, loss of precision, and dimensional errors.
Rust (Corrosion): Like a bike chain rusting after rain. For customers, this means seized parts, leaks, poor conductivity, and shortened lifespan.
Heat (Degradation): High temperatures in brakes, motors, or EVs cause metal surfaces to degrade, leading to performance drops, noise, deformation, or failure.
In short: If your expensive, well-designed product fails within a year in the customer’s hands, you don’t just lose a part—you lose brand trust.
If technical terms like “Micro-Arc Oxidation” or “Plasma Discharge” sound confusing, just remember this: We use high technology to let metal surfaces grow a skin as hard as ceramic.
This skin is not paint that sits on top.
It is not a plating that will eventually peel off.
It is ceramic armor grown from the metal itself, fused tightly together.
Because of this, it:
Won’t scratch off.
Won’t chip off.
Won’t peel away even after long-term use.
| Treatment Method | Analogy | Potential Issues |
| Traditional Anodizing | Thin Raincoat | Limited thickness; easily pierced by hard objects; limited wear resistance. |
| Traditional Plating | Sticking a Sticker | Subject to impact or thermal expansion/contraction; prone to peeling over time. |
| MAO / MPC / PEO | Ceramic Bulletproof Vest | Integrated with the metal; hard, wear-resistant, and extremely difficult to peel. |
Three Major Differences:
Upgraded Hardness: From “easily scratched” to “nearly impossible to scratch” (hardness levels approaching sapphire).
Superior Bonding: The coating “grows out” rather than being “stuck on,” meaning it won’t peel under stress.
Eco-Friendly: A process as clean as boiling water, avoiding toxic chemicals and meeting ESG requirements.
We don’t just use slogans; we provide real-world improvements:
Wear Life: Parts that originally lasted 10,000km can see their lifespan multiplied several times after MPC treatment.
Heat Resistance: Can withstand high-temperature shocks without peeling or powdering—crucial for EVs, power systems, and 3C cooling components.
Reliability: The focus isn’t just on the numbers, but on the increased stability and reliability in your actual use cases.
🚀 Aerospace & Defense: Where “failure is not an option” and parts must be light, durable, and stable.
🚗 Electric Vehicles: Using aluminum and magnesium to replace steel while maintaining strength and corrosion resistance.
🏃 Outdoor & Sports Gear: Hiking, skiing, and cycling equipment that must be lightweight yet resistant to sweat and environmental wear.
💻 Medical & High-End Electronics: Artificial joints, dental implants, laptop casings, and cooling modules that require a premium feel, scratch resistance, and heat tolerance.
Technical Guidance: You don’t need to know the science—just tell us your pain points (wear, rust, or heat), and we will choose the right solution.
Small-Batch Prototyping: We treat small test batches for new product development with the same VIP care as mass production.
Stable Quality: We turn surface treatment into a “managed process” rather than a “matter of luck” through rigorous inspections.
If you use Aluminum, Magnesium, or Titanium alloys.
If you need scratch, wear, corrosion, and heat resistance.
If you care about premium texture and brand durability.
If a part failure would impact safety, trust, or core functionality.
Contact Raymag Technology Inc.
Service: MAO/PEO Surface Treatment for Al, Mg, Ti alloys.
Offers: Prototyping, small-batch trials, and mass production.
