Why Choose HLH MODEL for DMLS Manufacturing?

Using advanced Direct Metal Laser Sintering (DMLS) technology, we produce fully functional metal parts directly from CAD files, enabling faster product development, reduced assembly requirements, and greater design freedom.
Whether you need aerospace components, medical device prototypes, EV parts, industrial tooling, or low-volume production components, our engineering team can support your project from concept to production.

  • Factory-direct metal 3D printing services
  • High-precision industrial-grade equipment
  • Free DFM review and engineering consultation
  • Complex geometries and lightweight structures
  • Functional metal prototypes and end-use parts
  • Wide range of aerospace and industrial alloys
  • Dedicated project managers and sales engineers
  • Global shipping and responsive customer support

Our DMLS 3D Printing Service

DMLS Manufacturing Capabilities

Our engineering team evaluates every project to ensure the best balance of performance, manufacturability, and cost.

Maximum Build Size
Maximum Build Size:

325mm*325mm*400mm

Standard Lead Time
Standard Lead Time:

Approximately 7 Business Days

Dimensional Accuracy
Dimensional Accuracy:

±0.2-0.3mm/100mm

Layer Height
Layer Height:

25-100 um

Our DMLS 3D Printing Service

What Is (DMLS)?
(Direct Metal Laser Sintering)

Direct Metal Laser Sintering (DMLS) is an advanced metal additive manufacturing process that creates highly detailed metal components by selectively fusing layers of metal powder using a high-powered laser.

Unlike conventional machining or casting, DMLS allows engineers to manufacture intricate internal channels, lattice structures, lightweight designs, and complex geometries that are difficult or impossible to achieve using traditional methods.

DMLS enables manufacturers to reduce development cycles while improving part functionality and overall design efficiency.

The technology is widely used for applications requiring:

  • ✓ High precision
  • ✓ Complex metal geometries
  • ✓ Lightweight structures
  • ✓ Rapid product development
  • ✓ Functional prototypes
  • ✓ Low-volume production
  • ✓ Performance-critical components
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Benefits of DMLS Metal 3D Printing

Complex Geometries

Manufacture Complex Metal Geometries

DMLS allows engineers to create advanced designs that would be difficult or impossible using CNC machining, casting, or fabrication.

This freedom enables improved performance while reducing weight and material usage.


Examples include:

  • ✓ Internal cooling channels
  • ✓ Lightweight lattice structures
  • ✓ Organic shapes
  • ✓ Consolidated assemblies
  • ✓ Topology-optimized components
Excellent Mechanical Properties

Excellent Mechanical Properties

DMLS parts offer exceptional strength, durability, and reliability. Many DMLS parts can be used directly for functional testing or end-use applications.


Depending on material selection, components can achieve properties suitable for demanding industries including:

  • ✓ Aerospace
  • ✓ Medical
  • ✓ Automotive
  • ✓ Robotics
  • ✓ Industrial equipment
Mass Customization

Reduced Development Time

Because no tooling is required, engineers can move directly from CAD design to physical part production.


Benefits include:

  • ✓ Faster prototyping
  • ✓ Shorter product development cycles
  • ✓ Accelerated validation testing
  • ✓ Quicker market launch
Metal Characteristics are Preserved

Lightweight Performance Optimization

Engineers can reduce component weight while maintaining structural integrity by incorporating advanced design strategies only possible through additive manufacturing.


This is especially valuable for:

  • ✓ Aerospace systems
  • ✓ Electric vehicles
  • ✓ Robotics
  • ✓ Performance equipment

Applications Showcase the Versatility of DLMS

Applications Showcase the Versatility of DLMS
Applications Showcase the Versatility of DLMS Applications Showcase the Versatility of DLMS
Functional HLHModel

Aerospace Components

DMLS is widely used to manufacture lightweight and high-performance aerospace components requiring strength, precision, and reduced weight.

Applications include: Structural brackets, Airflow components, Heat management systems, Lightweight assemblies, and Prototype aircraft components.

Jigs and Fixtures

Automotive and EV Manufacturing

Automotive and electric vehicle companies use DMLS to accelerate development and improve component performance.

Applications include: Prototype components, Lightweight structural parts, Thermal management systems, Performance components, Customized production parts.

Flow Applications

Medical Devices

Metal additive manufacturing enables the production of highly detailed medical components and specialized devices.

Applications include: Surgical instruments, Medical equipment components, Customized tooling, and Functional prototypes.

Fast Metal Tooling for Injection Molding

Robotics and Automation

Robotics companies benefit from lightweight and complex metal structures that improve system performance and efficiency.

Applications include: End-effectors, Robot components, Sensor mounts, Precision mechanical assemblies.

Flow Applications

Industrial Equipment

Industrial manufacturers use DMLS to create specialized components and replacement parts quickly.

Applications include: Production tooling, Functional fixtures, Machine components, and Engineering prototypes.

Flow Applications

Conformal Cooling and Flow Systems

DMLS excels at producing internal channels that cannot be machined conventionally.

Applications include: Conformal cooling inserts, Fluid flow components, Heat exchangers, and Thermal management systems.

DLMS Material Options

HLH Model offers a range of engineering-grade metal materials suitable for demanding applications.


Aluminum (AlSi10Mg)

A lightweight aluminum alloy offering an excellent strength-to-weight ratio and good thermal performance.
Ideal for: Aerospace components, Automotive parts, Lightweight structures, and Engineering prototypes.
Benefits: Lightweight, Corrosion resistant, Good thermal conductivity, and Strong mechanical performance.

Stainless Steel (316L)

316L stainless steel provides excellent corrosion resistance and ductility.
Ideal for: Aerospace components, Automotive parts, Lightweight structures, and Engineering prototypes.
Benefits: Lightweight, Corrosion resistant, Good thermal conductivity, and Strong mechanical performance.

Cobalt Chrome (Co28Cr6Mo)

A high-performance alloy known for wear resistance, strength, and corrosion resistance.
Ideal for: Medical applications, Aerospace systems, and High-wear environments.
Benefits: Exceptional durability, High temperature resistance, and Excellent corrosion resistance.

Inconel 718 & Inconel 625

Nickel-based superalloys designed for extreme environments.
Ideal for: Aerospace engines, Energy systems, Industrial equipment, and High-temperature applications.
Benefits: Outstanding heat resistance, Excellent corrosion resistance, and Superior mechanical strength.

Titanium (Ti6Al4V)

Titanium offers one of the highest strength-to-weight ratios available in manufacturing.
Ideal for: Aerospace components, Medical devices, Robotics, and Performance engineering applications.
Benefits: Lightweight, Corrosion resistant, High strength, and Excellent fatigue resistance.

DLMS 3D Printing Post-Processing Options

To achieve optimal performance and appearance, HLH Model provides a variety of secondary finishing services.
Our engineers can recommend the most appropriate post-processing solution for your application.


DLMS 3D printing post-processing DLMS 3D printing post-processing
01

Standard Surface Finishing

Removal of support marks and surface preparation to improve appearance and functionality.

02

Polishing

Produces a smoother and more refined surface finish while enhancing aesthetics.

03

Passivation

Improves corrosion resistance and long-term durability for stainless steel components.

04

Additional Finishing Services

Available upon request: CNC finishing, Heat treatment, Machining, Surface coatings, Assembly services.

Trusted DMLS 3D Printing Partner

Why Fortune 500 Companies Choose HLH MODEL?

Factory-Direct Manufacturing

Work directly with our engineering and production teams for faster communication, improved quality control, and competitive pricing.

📐

Engineering-Led Support

Every project includes engineering review and free DFM feedback to help optimize manufacturability and reduce production risks.

  • Improve manufacturability
  • Reduce unnecessary costs
  • Select suitable materials
  • Avoid production problems
⚙️

Complete Prototype-to-Production Capability

Beyond DMLS, HLH Model offers:

SLA 3D Printing SLS 3D Printing MJF 3D Printing FDM 3D Printing CNC Machining Injection Molding Sheet Metal Vacuum Casting Die Casting
🌍

Global Service Coverage

Our English-speaking sales engineers and project managers work according to customer time zones, providing efficient communication and project updates.
We support customers across: United States, Canada, United Kingdom, Germany and other European Countries, Australia, New Zealand and Middle East.

🚀

Industries Served

Providing custom solutions for high-demand sectors:

Aerospace Automotive EVs Robotics Medical Devices Industrial Equipment Consumer Products Renewable Energy

Request a Quote for DMLS 3D Printing Services

Looking for a reliable DMLS 3D printing company in China? HLH Model combines advanced metal additive manufacturing technology, engineering expertise, and factory-direct production to deliver high-quality metal parts with fast turnaround and competitive pricing.

Whether you need a functional prototype, tooling insert, aerospace component, or low-volume production part, our team is ready to support your project.

Get Started Today:

  • Upload your CAD file
  • Receive free DFM feedback
  • Get a quotation within 24 hours
  • Start manufacturing with confidence
Request A Quote

Request A Quote

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See How We Help Innovators Meet Tight Production Deadlines

customers avatar
February 24th, 2026
Mike R. John | Medical Industry

"Working with a team that consistently thinks outside the box is a true pleasure. Thanks to their commitment to cutting-edge technology, the tooling they deliver is always on time and performs flawlessly on the very first run."

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customers avatar
March 10th, 2026
Barry James | R&D Engineer

"While most manufacturing facilities overlook low-volume projects, they treated our small order with the utmost priority. Their team delivered the same level of care and respect usually reserved for long-time, high-volume clients."

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April 18th, 2026
Senior Manufacturing Engineer

“HLH has been a strong partner on our EV programs. They helped us optimize a few key mponents for weight and manufacturability, and they consistently hit the tolerances we need. Their fast turnaround times have kept our development cycles moving, which is critical in EV work.”

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