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.

Direct Metal Laser Sintering (DMLS) Tolerances

Parameter Specification
Build Size 10″ x 10″ x 10″ (250 x 250 x 250 mm)
General Tolerances 0.005” +/- for the first inch is typical, plus 0.002” +/- for every inch thereafter
Layer Height .0012” – .0016″ depending on material
Surface Roughness 150-400 µin Ra, depending on build orientation and material used for the build
Infill 100%

Surface Finishing for DMLS

We offer standard and custom finishing options to ensure your parts meet exact specifications.

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 DMLS

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.

3D Printed Aluminum AlSi10Mg
3D Printed Stainless Steel 17-4
3D Printed Stainless Steel 316/L

Laser Metal Printing, Direct Metal Laser Sintering

Direct Metal Laser Sintering Services for Complex, High-Performance Parts

Our Direct Metal Laser Sintering services use a high-powered laser to fuse metal powder into fully dense, intricately detailed components. Ideal for lightweight structures, internal channels, and fine-tolerance designs, this technology delivers exceptional mechanical properties and dimensional stability. Each part benefits from advanced powder bed fusion metal printing, ensuring consistency across every build.

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.

DMLS 3D Printing Services for High-Strength Metal Components

Experience the power of industrial DMLS 3D printing services, where advanced metal laser sintering meets uncompromising precision. From lightweight prototypes to production-grade components, our custom DMLS metal 3D printing delivers dense, high-accuracy metal parts built for aerospace, medical, and engineering performance. 

Industrial DMLS Printing for Functional Prototypes and End-Use Metal Parts

With our industrial DMLS printing capabilities, we manufacture strong, highly precise metal components for aerospace, medical, and engineering applications. Using stainless steel, titanium, aluminum, and cobalt chrome, our builds maintain excellent surface integrity, fatigue resistance, and repeatable tolerances. Engineered for demanding applications, these components support DMLS production parts with long-term durability.

Metal Turbine Printing

Custom DMLS 3D Printing – Complete Process, Workflow & Advantages

Direct Metal Laser Sintering is one of the most advanced metal additive manufacturing methods, allowing engineers to produce dense, functional metal parts directly from CAD models. Below is a full technical breakdown with long-tail buyer keywords integrated naturally.

What Is Direct Metal Laser Sintering (DMLS)?

DMLS uses a focused laser to selectively fuse ultra-fine metal powder into precise, high-performance components. This technology supports internal lattice structures, undercuts, and organic shapes impossible with machining—making it ideal for rapid DMLS metal prototyping, DMLS 3D printing for aerospace, and medical-grade production.

Step-by-Step DMLS Process

1. Design & Preparation

Engineers begin with a CAD model optimized for additive manufacturing, including lightweighting strategies and support considerations. Alloys—such as stainless steel, titanium, aluminum, or cobalt chrome—are selected based on performance needs. The file is sliced and positioned for thermal stability.

2. Build Setup & Powder Loading

The sliced model is arranged on the build plate, and the machine atmosphere is set (argon or nitrogen). High-quality metal powder with controlled particle size (15–45 µm) is loaded to ensure strong layer fusion—essential for high-accuracy DMLS metal parts.

3. Layer Spreading & Deposition

A recoater spreads ultra-thin powder layers (20–60 microns). Smooth deposition is critical for dimensional accuracy and material density.

4. Laser Fusion

A precision laser selectively melts each layer according to the sliced paths, forming metallurgical bonds. Energy density and scanning strategies ensure >99% density and exceptional mechanical properties, ideal for titanium DMLS printing and other demanding metals.

5. Cooling & Powder Recovery

Once printing finishes, the build cools in a controlled environment to avoid warping. Excess powder is removed, sieved, and recycled with strict quality standards.

6. Post-Processing

Supports are removed via machining, grinding, or EDM. Depending on requirements, heat treatments (stress relief, HIP), machining, polishing, and coatings are applied. These steps ensure the precision and durability expected from high-precision metal laser sintering.

Advantages of Using DMLS in Manufacturing

Unmatched Design Flexibility

With no tooling restrictions, DMLS enables internal channels, lattice structures, and organic geometry—reducing part weight by up to 60%.

High-Strength Functional Metal Parts

DMLS achieves densities comparable to wrought metals, making it perfect for mission-critical applications such as DMLS 3D printing for medical and aerospace components.

Faster Turnaround & Rapid Prototyping

Complex metal prototypes that once took weeks can now be delivered in days.

Sustainability & Material Efficiency

Up to 90% of unused metal powder is reclaimed and reused, reducing waste and material costs.

Component Consolidation

Multiple machined or assembled parts can be consolidated into a single DMLS component, reducing failure points and simplifying production.

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