SLS 3D Printing Services for Durable 3D-Printed Parts

Zonze’ Selective Laser Sintering (SLS) 3D printing service delivers high-quality prototypes and production parts, quickly and efficiently. Perfect for prototypes, low-volume production, and custom solutions. Get SLS parts in as fast as 1-day.

3D Printing Services for Custom Prints

ZONZE offers expert 3D printing solutions tailored to your specific project requirements. Whether you need fast-turnaround prototypes or durable end-use components, we provide high-resolution additive manufacturing with exceptional detail and accuracy.

Utilizing cutting-edge technologies like SLA, FDM, SLS, and SLM, our 3D printing capabilities achieve tight tolerances down to ±0.2 mm. With deep experience and advanced equipment, our team ensures every part meets your specifications — delivered on time and built to perform.

SLA

SLA

SLA 3D printing transforms liquid resin into solid, highly detailed parts using laser-based curing. This process delivers excellent dimensional accuracy and an ultra-smooth surface finish, making it the perfect choice for complex models and precision prototypes.

FDM

FDM

FDM 3D printing builds parts layer by layer by extruding melted thermoplastic, offering strong, cost-effective prototypes and end-use parts.

SLS

SLS

SLS 3D printing uses a laser to selectively sinter powder into solid layers, creating tough, functional parts with complex shapes—perfect for demanding, end-use applications.

Titanium Alloy Printing

SLM

SLM technology uses laser energy to fully melt metal powder, forming complex, high-performance metal components. It’s a top choice for industries like aerospace, medical, and heavy manufacturing.

China-Based Expansive Manufacturing Network

With its own manufacturing facilities and a carefully selected partner network in China, ZONZE enables rapid turnaround and scalable production of custom metal and plastic components—delivering consistent quality and dependable results across every project.

50+

Machines Set

20+

Countries Shipped

200+

Customers Served

3D Printing Services

PEI

PEI

Advantages:

High strength and stiffness

Heat resistant (>170°C)

Flame retardant (UL 94 V-0)

Chemically resistant

Disadvantages:

Requires high-temp printer

Prone to warping

More expensive than standard filaments

Subtypes: ULTEM 9085, ULTEM 1010, SABIC PEI 1000, INTAMSYS PEI 9085, Polymaker PolyDuro PEI, 3DXTECH Ultem 1010, Kimya PEI 9085.
ABS

ABS

ABS is a durable and impact-resistant thermoplastic commonly used for functional 3D printed parts. However, it tends to warp during printing and typically requires a heated bed or an enclosed 3D printer for optimal results. Advantages: Excellent impact resistance, high heat tolerance, strong mechanical properties Disadvantages: Emits strong odors during printing, prone to warping without proper temperature control
Subtypes: eSUN ABS+、 Formfutura EasyFil ABS 、 Polymaker PolyLite ABS 、 Zortrax ABS 、 MG Chemicals ABS
PETG

PETG

PETG combines the easy printability of PLA with the heat and impact resistance of ABS, offering excellent transparency and strong chemical resistance.

Pros: Resistant to chemicals and impacts, low warping tendency, good layer adhesion
Cons: Sensitive to moisture, prone to stringing during printing

Subtypes: Prusament PETG 、 eSUN PETG 、 MatterHackers Build PETG 、 ColorFabb XT 、 Polymaker PolyLite PETG
TPU

TPU

TPU is a flexible filament ideal for 3D printing elastic components like insoles, gaskets, and phone cases.

Advantages: Excellent flexibility, wear resistance, and softness
Disadvantages: Slower printing speed and potential feeding issues on certain printers

Subtypes: NinjaFlex TPU 、 eSUN TPU 95A 、 SainSmart TPU 、 Polymaker PolyFlex TPU 、 MatterHackers PRO Series TPU
NYLON 3D printing material

Nylon

Nylon is a high-performance 3D printing material known for its strength, heat resistance, and excellent wear properties, making it ideal for functional engineering parts such as bearings and gears.

Pros: Outstanding durability, high tensile strength, excellent abrasion resistance
Cons: Highly moisture-absorbent and challenging to print due to warping

Subtypes: Taulman 645 Nylon 、 Polymaker PolyMide CoPA 、 MatterHackers NylonX 、 Ultimaker Nylon
PC

PC

Polycarbonate (PC) is a high-performance engineering thermoplastic known for its exceptional strength and heat resistance, making it suitable for parts requiring superior mechanical properties.

Advantages: Excellent thermal resistance, extremely high strength, optional optical clarity
Disadvantages: Requires high printing temperatures, prone to warping, and needs a heated bed and enclosed chamber for optimal results

Subtypes: Polymaker PolyMax PC 、 Prusament PC Blend 、 eSUN ePC 、 MatterHackers PRO PC 、 Ultimaker PC

3D Printing SLA Surface Finishes

SLS Services-ZONZE

As Machined

Perfect for producing functional prototype parts or internal components where visual appearance is not a priority.

SLS Services-ZONZE

Painting

Improves product aesthetics and strength by offering multiple color choices and protective surface finishes.

SLS Services-ZONZE

Polishing

Minimizes surface texture to achieve a smoother finish and enhanced appearance for visible components.

SLS Services-ZONZE

Electroplating

Applies a metallic layer to boost durability, improve wear resistance, and enhance electrical conductivity.

Tolerances for 3D Printing SLA

 Description
Min. Wall ThicknessFrom 0.7mm to 2.0mm
Layer Height100–120 microns
Max. Build Size420x380x380mm
Dimension Tolerance± 0.3mm (0.35% For >100mm)
Standard Lead Time2 working days

What is SLA 3D Printing?

Additive manufacturing, commonly referred to as 3D printing, is a cutting-edge production method that builds physical objects directly from digital 3D models. Instead of removing material as in traditional subtractive manufacturing, 3D printing constructs parts by depositing material layer upon layer. This layer-by-layer approach enables the fabrication of complex shapes, detailed features, and lightweight structures with minimal material waste. Widely used across industries such as rapid prototyping, product design, aerospace, and healthcare, 3D printing supports fast production cycles and high levels of customization. Its efficiency, cost savings, and design flexibility make it a powerful solution for modern manufacturing applications.

3D Printing Solutions Across Multiple Sectors

ZONZE delivers 3D Printing tailored to the demands of industries ranging from aerospace to automotive. Our clients include individual innovators, product designers, and global enterprises—supporting many customers around the world.

Why Choose Us

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Precision Parts with Guaranteed Quality

Our ISO-certified services deliver high-precision parts manufactured to exact specifications. With rigorous quality control throughout the entire process, each component is engineered for perfect fit and reliable performance.g.

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Rapid Lead Time

ZONZE helps you stay on schedule with fast lead times. Our state-of-the-art equipment and strategically located facilities ensure quick production and on-time delivery for all your projects.

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Expert Engineering Support Services

Wherever and whenever you need it, we are here to help. Our engineering team offers professional guidance to optimize your designs for performance, efficiency, and manufacturability.

SLS 3D Printing FAQs

Why are SLS prints rough on the surface?
Surface roughness is common due to powder particle size. Post-processing (e.g., sanding, polishing) can improve finish.
What causes incomplete (sintering) or weak parts?
Insufficient laser power, low energy density, or improper powder bed temperature may lead to poor fusion. Adjust parameters or preheat the powder.
How to prevent warping in SLS prints?
Ensure proper build chamber temperature and even heating. Avoid rapid cooling by letting the part cool slowly in the machine.
Why are there holes or gaps in the print?
Low powder flowability, inconsistent layer spreading, or laser misalignment can cause gaps. Use fresh, dry powder and calibrate the machine.
What materials are suitable for SLS printing?
Common materials: Nylon 12 (PA12), Nylon 11 (PA11), TPU (flexible), and PA6. Metal-filled powders (e.g., aluminum) require specialized SLS machines.
How to reduce residual powder in prints?
Optimize recoating settings (e.g., roller pressure) and use finer powder. Brush or bead blast parts post-printing to remove trapped powder.
Why does the build chamber fill with smoke?
Overheating of powder or contamination (e.g., organic residues) can cause smoking. Clean the chamber and use virgin powder.
Can SLS print overhanging features without supports?
Yes! SLS uses unsintered powder as natural support, enabling complex geometries without additional structures.
What causes layer shifting in SLS prints?
Mechanical issues (e.g., loose belts, misaligned galvo mirrors) or vibrations during printing. Tighten components and recalibrate the laser.
How to improve adhesion to the build platform?
Preheat the platform evenly and ensure a clean surface. For some materials, apply a thin adhesive layer (e.g., glue stick) to enhance grip.