Custom Online CNC Machining Services

Get instant quotes and fast-turn production for precision metal and plastic parts. Yicen delivers high-accuracy components through advanced 3-axis, 4-axis, and 5-axis CNC machining, achieving tolerances down to ±0.001 in (±0.025 mm) with consistent, repeatable quality across prototypes and production runs.

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ISO 9001:2015 | AS9100D | ISO 13485 | ITAR Compliant

Yicenprecision Instant Quoting Engine is covered by U.S. Pat. Nos. 11,086,292, 11,347,201, 11,693,388, 11,698,623, 12,099,341, and 12,189,361. Other patents pending.

Why Choose Yicen Precision to CNC Machining?

Yicen provides high-quality and tight-tolerance machining that is backed by elaborate equipment, engineering skills and approved quality control. All components are manufactured with precision, consistent lead times and dependable worldwide supply.

Unmatched Accuracy

Multi-axis machining to within +-0.001 in (+-0.025 mm) and consistent GD&T compliance on both metals and plastics.

DFAM Support ( by engineering).

Your CAD is evaluated by senior engineers, geometry is optimized, and better-performing and less expensive materials and toolpaths are suggested.

Quick TT and Mass Production.

Machining centers with high capacity allow quick prototyping, low volume production, and any scale of production without delays.

80+ Certified Materials

Aluminum, steel, stainless, brass, copper, titanium, engineering plastics, high-temp polymers, and demand sourcing.

Qualified Quality Assurance.

CMM inspection, ISO compatible workflows, dimensional reports and aerospace, medical and industrial traceability.

Consistent Customer Service

Transparency with projects, safety in file management, and uninterrupted global shipping with engineering support at all levels.

CNC Machining Capabilities for Custom Precision Parts

With our developed manufacturing capacity, we will be able to produce high-precision metal and plastic parts, which produce the same level of consistency in the quality of prototypes, tooling, and full production. Having started with multi-axis milling, Yicen Precision has ensured reliability in the results even with most complex geometries, in terms of turning and development of the fixtures.

Tolerance Table for Powder Coating

Parameter Specification
Coating Thickness 50 – 150 µm (0.05 – 0.15 mm)
Dimensional Tolerance Change Add ±0.05 – 0.15 mm per coated side
Flatness Deviation Up to ±0.2 mm per 300 mm
Masked Hole Tolerance ±0.1 mm
Surface Finish (Gloss Level) 10 – 90+ gloss units
Color Consistency (ΔE) ≤ 1.0

Surface Finishing for Powder Coating

At Yicen Precision, our powder coating process delivers a durable, high-quality finish that enhances corrosion resistance and aesthetics for a wide range of metal parts.

Deburring
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Removes sharp edges and burrs created during cutting to improve safety and provide a clean, finished look.

Bead Blasting
cnc aluminum anodizing

 Uses high-pressure blasting with fine media to create a smooth, matte surface. Ideal for achieving a uniform finish and removing minor imperfections.

Chemical Cleaning (Pickling)
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Removes oxidation, scale, and surface contaminants to restore and prepare metal surfaces after cutting.

Brushing
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 Applies a uniform, subtle texture using abrasive brushes for an attractive and tactile surface.

Polishing
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Mechanically smooths surfaces to achieve a high-gloss, reflective finish—ideal for decorative or consumer-facing parts.

Tumbling
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Smooths and rounds edges of small parts by vibrating them with abrasive media, improving finish and handling safety.

Powder Coating
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Applies a durable, protective coating that improves corrosion resistance and allows for various color options. Perfect for functional and aesthetic applications.

Anodizing
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 Adds a corrosion-resistant oxide layer to aluminum parts and enables a range of color options for both protection and aesthetics.

CNC Machining Services
CNC Machining Services
CNC Machining Services
CNC Machining Services

Quality Assurance & Inspection Capabilities

Each CNC machined unit in Yicen Precision undergoes a verified inspection procedure complying with ISO 9001:2015, AS9100D and ISO 13485 standards.

Our metrology staff takes every part with prototype through to full production assurance to the defined GD&T and surface finish standards; traceable and acceptable.

Dimensional Accuracy

CMM, digital micrometers, and optical measurement system are used to check all the critical features with precision at the micron level.

GD&T & Tolerance Verification

Components pass ISO 2768-mK and ASME Y14.5 standards, providing batches with accurate form, position and profile.

Surface & Finish Testing

Surface roughness (Ra 3.2-0.8 mm) and coating thickness are checked to ensure the performance and the appearance.

Traceability & Reporting

Every order consists of material certificates (MTRs), FAI reports, and CMM data sheets to ensure full transparency of the processes.

Materials for CNC Machining Service Parts

Engineers and leading manufacturers trust Yicen Precision for fast iterations and durable, high-performance parts. Whether for prototyping or full-scale production, our extensive material selection ensures precision, strength, and reliability for any CNC machining project.

5052 H32 Aluminum
6061 T6 Aluminum
7075 T6 Aluminum
MIC6 Aluminum

AR400 & AR500 Steel
4140 + 4130 Chrome-moly Steel
A36 Steel
Hot Rolled Steel
Tool Steel

304 Stainless Steel
316 Stainless Steel

Powder Coating Process

Custom Powder Coating & Industrial Finishing for Metal Components

Our custom powder coating and metal powder coating services provide premium finishing options tailored to your application needs. From vibrant colors to textured coatings, we apply high-durability finishes that protect against chemicals, wear, impact, and weather. Perfect for CNC machined parts, automotive components, industrial frames, enclosures, and consumer products requiring long-term performance and a professional finish.

Industries We Serve

Yicen Precision is serving a broad spectrum of industries, covering aerospace, automotive, electronics, medical, and more. We specialize in providing high-quality, reliable parts tailored to meet the unique engineering challenges of each industry.

Our Streamlined Ordering Process

Upload Your Design

Easily upload your CAD files through our secure online platform to get started.

Customize Your Requirements

Choose your material, finish, tolerances, and preferred lead time to match your project needs.

Get an Instant Quote

Receive a real-time quote based on your design and selected specifications, no delays.

Production & Delivery

Your parts are manufactured by trusted partners, quality-checked, and delivered to your door on time.

Yicen Machining Solutions

Whether you’re creating a small batch of custom parts or scaling up for high-volume production, Yicen machining services offer the flexibility you need.
CNC Machining Services
Rapid Prototyping

CNC rapid prototype machining is perfect for creating engineering or production prototypes that closely resemble the final product in both appearance and functionality. At Yicen, we offer instant quotes and fast delivery, providing you with precise, high-quality CNC machined prototypes for your needs.

CNC Machining Services
Low Volume Manufacturing

Low volume CNC machining often acts as a bridge between prototyping and mass production for new and emerging production. With Yicen, this process becomes easier, more efficient, and cost-effective, allowing you to scale production quickly while maintaining high-quality standards.

CNC Machining Services
End-use Production

CNC production machining is the best solution for producing a thousand parts or more efficiently. Leveraging a diverse selection of materials and automation and multi-axis capabilities, Yicen delivers high-volume production with tight tolerances, superior dimensional accuracy, high reliability and fast turnaround times.

Applications of CNC Machining

Whether you’re creating a small batch of custom parts or scaling up for high-volume production, Yicen machining services offer the flexibility you need.CNC machining involves the manufacture of high precision, functional parts in a wide variety of industries. The most prevalent types of applications customers search and anticipate are given below.

Housings & Enclosures

Electronics, robotics, sensor, industrial assemblies, and other electronics enclosures that demand strict dimensional control.

Mounting Components

Rigid brackets, supports, linkages and mounting frames applied in automotive, aerospace, and automation systems.

Shafts and Rotational Parts

Rigid brackets, supports, linkages and mounting frames applied in automotive, aerospace, and automation systems.

Thermal Components

Aluminum or copper heat management parts in fine geometries of fin and optimized surface areas.

Gears and Motion Mechanisms

Elements of the drive that have a high degree of alignment and smoothness of operation and engagement.

Mechanical Parts Prototypes.

Engineering validation and testing Prototypes that replicate the performance of production level.

Tooling Components

Locator blocks, base plates, inserts, soft jaws and production tooling used in machining and assembling environment.

Aerospace and Medical Components.

Components must contain rigid GD&T, material traceability, and high reliability performance.

Powder Coating Services for Durable, High-Performance Finishes

Enhance component longevity with our professional powder coating services, engineered for corrosion resistance, wear protection, and long-lasting color stability. Using advanced industrial powder coating services, we deliver uniform coverage, high-durability finishes, and a premium appearance across aluminum, steel, and stainless-steel parts. 

Powder Coating Finishing Services for Uniform, Corrosion-Resistant Results

Yicen Precision delivers precision powder coating that guarantees complete coverage, controlled thickness, and consistent texture across every batch. With expertise in powder coating for metal parts, our finishing ensures superior adhesion, resistance to rust, and color stability even in demanding environments. Ideal for both small runs and high-volume production where durability, appearance, and repeatability matter.

Finished Powder Coated Part

How the Powder Coating Process Works Step-by-Step

Modern powder coating finishing services combine electrostatic technology, controlled curing, and surface preparation to deliver high-performance finishes with exceptional longevity.

1. Surface Cleaning & Pre-Treatment

Parts undergo sandblasting or chemical cleaning to remove oils, rust, and contaminants. Proper prep ensures optimal adhesion and prevents coating defects, especially essential for aluminum powder coating, steel powder coating, and stainless steel powder coating.

2. Electrostatic Powder Application

Using advanced electrostatic powder coating equipment, charged powder particles are evenly sprayed onto the grounded part, allowing uniform coverage even on edges, corners, and complex shapes.

3. Heat Curing & Crosslinking

Coated parts are placed in a curing oven where heat melts and bonds the powder into a continuous, high-strength finish. Controlled powder coating curing ensures the correct crosslinking, thickness, and durability.

4. Cooling & Inspection

After cooling, the coated parts are inspected for surface quality, powder coating thickness, adhesion, and color consistency. This ensures every component meets industry-level finishing standards.

What Challenges Occur in Powder Coating—and How They’re Solved?

Surface Preparation Issues

Challenge: Oils, rust, and debris prevent proper adhesion.
Solution: Intensive cleaning, sandblasting, and chemical pretreatment ensure the surface is optimized for long-lasting bonding.

Uneven Coating on Complex Shapes

Challenge: Hard-to-reach areas may receive light coverage.
Solution: Precision spray systems and automated guns ensure complete, uniform powder distribution.

Heat Sensitivity

Challenge: Some assemblies distort under high curing temperatures.
Solution: Use of low-temp curing powders and optimized thermal cycles protects sensitive materials.

Color & Texture Inconsistency

Challenge: Metallic and textured finishes can vary between batches.
Solution: Strict powder batch controls and automated measurement maintain uniformity across large production runs.

Benefits of Professional Powder Coating Services

Superior Protection & Durability

Our finishes resist corrosion, UV fading, chemicals, scratches, and abrasion—ideal for high-durability powder coating.

Enhanced Aesthetics & Customization

Hundreds of powder coating colors and textures allow perfect customization for both functional components and consumer products.

Ideal for Prototypes & Production

Whether you need powder coating for prototypes or powder coating for production parts, our facility scales effortlessly.

Eco-Friendly Finishing Method

No solvents, low waste, recyclable overspray—powder coating is an environmentally responsible finishing solution.

Perfect for CNC Machined Parts

Surfaces remain smooth, consistent, and dimensionally stable—excellent for powder coating for CNC machined parts and high-precision assemblies.

Insights & Articles

Explore Machining services blog for expert insights on CNC machining, industry trends, manufacturing tips, and technology updates—designed to keep you informed, inspired, and ahead in precision engineering.

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Transform Concepts into Precision Parts

We specialize in converting your ideas into high-quality, functional components with unparalleled speed and accuracy. With advanced technology and expert craftsmanship, we create parts that meet the most complex specifications.

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Get In Touch With Us!
Prompt response guaranteed within 12 hours
🔐 All uploads are secure and confidential