



SLS 3D Printing Service
SLS-Selective Laser Sintering Additive Manufacturing
SLS 3D printing is an advanced additive manufacturing technology. What makes it stand out is its ability to make complex-shaped parts with precision. Unlike regular 3D printing, this method does not need additional support or a frame during its operation. Are you looking for a reliable SLS 3D printing service from China?
At Multi-Wins, we offer reliable SLS 3D printing and create parts of the highest quality. Multi-Wins has over 10 SLS printers, with EOS PA22000 printing capabilities available. We use a wide range of materials and ensure you get SLS 3D printed parts to your exact specifications. Above all, our company can handle everything from CAD designing to the production process at very affordable pricing.
What is SLS 3D Printing? How Does It Work?
SLS stands for Selective Laser Sintering and makes 3D parts layer by layer. This is 3D printing technology that uses lasers. These lasers melt and fuse the powder material present on the building platform of these machines. It uses different powder materials, including plastics, metals, ceramics, and so on.
However, its working is something that differentiates it from other methods. In this method, the powder material is first put on the building platform. After that, the lasers are emitted and focus on the materials as per the CAD file design. These high-powered lasers will concentrate on locations where powder needs to be fused.
This fusing of powder makes solid parts at specific locations. Suppose the part has some hollow structure. The lasers won't fuse the powder in those hollow locations as per the CAD file design. Once one layer is complete, the printing machine will add another layer and start fusing the powder just like the first layer.
In this way, this method keeps working, making products layer by layer. What makes SLS 3D printing special is its ability to make complex-shaped parts. Such parts are very challenging to make with traditional machining or printing techniques. Additionally, this process does not require additional support structure during their work.

Our SLS 3D Printing Capbilities
Multi-Wins is a professional SLS 3D printing service provider. We use specific design guidelines and specifications during 3D printing. Those guidelines help us to manufacture parts with exceptional precision. Here is the table showing the specifications of our SLS 3D printing:
- SLS Specifications
- SLS Printing Materials
- SLS Applications
- SLS Post-Processing
- Max Buliding Volume: 330*330*500mm
- Accuracy: ±0.3%
- Layer Thickness: 0.12mm
- Min Wall-Thickness: 1mm
- Material Performance: very close to the injection molded parts
- High Temperature Resistance: 150β
- PA2200
- PA3200
- PA11
- PA12+GF
- TPU
- PP
- And more
- Medical
- Robotics
- Drone
- Consumer electronics
- Mechanical Devices
- Electroni tools
- Dental
- Vehicles
- Vapor smoothing
- Polishing
SLS 3D Printing Service Process
We've made our operations very straightforward. With a few easy steps, you'll be able to start collaborating with us for your SLS 3D printed parts. Here are four easy steps you need to follow to get started:
π 1- Upload CAD File
First, you should contact us and share your CAD file (design) with us. We will analyze and review your CAD design. If there are any defects, we will remove them. However, in case you don't have a CAD design, you can ask us to make one for you. Our in-house designers will ask for your requirements and create a CAD design. Once the CAD design is ready, we can move to the next step.
π 2- Material Selection
Have you completed the CAD design? That will bring you to the material selection. At Multi-Wins, we use a wide range of materials to make custom parts. You'll have to share your desired material with us. Remember, each material used in SLS 3D printing has specific properties. In case you don't know which is the best material for your SLS 3D printed parts, worry not! You can trust us for the material selection process.
π οΈ3- Place the Order by Confirm Quantity
This is the last step where your input is essential. You can mention the quantity of parts and complete the payment process. After this, our manufacturing team will take your projects in hand. We have high-end 3D printing machines that will quickly complete the production with precision. Our manufacturing will produce parts that are identical to the CAD design.
π4- Post Processing & Delivery of Your Parts
Once parts are made, we pass them through strict quality checks. Parts that pass this quality scrutiny are considered ready to be shipped. We also offer various surface finishing options. During production, some parts can have rough surfaces. The finishing ensures there remains no roughness, and parts become more polished and smooth. Additionally, surface finishing also makes parts stronger and resistant to corrosion.
Materials We Use for SLS 3D Printing
SLS 3D printing allows us to create high-quality parts. However, if we choose the wrong material, our parts may not fit their ideal use cases. Understanding the purpose and specific properties of each material is essential. At Multi-Wins, we utilize powder of different materials and make SLS 3D printed parts and products.
However, we highly recommend that you carefully analyze your use cases before choosing materials. Here are some common materials we use for the SLS 3D printing process:
| Material | Concise Properties |
|---|---|
| Nylon PA12 | Strong & chemical resistant |
| Nylon PA11 | High impact strength & flexible |
| Nylon PA6 | Tough, heat-resistant, absorbs moisture |
| PEEK | High-performance & Heat resistance |
| TPU | Flexible & abrasion-resistant |
| Polypropylene (PP) | Lightweight & chemical-resistant |
| Alumide (Nylon + Aluminum) | Rigid, metallic look, wear-resistant |
| Glass-Filled Nylon (PA12-GF) | High stiffness, dimensional stability |
| Carbon-Filled Nylon (PA12-CF) | Lightweight, very strong, stiff |
Each material (powder) used in SLS 3D printing has unique properties. For example, some are flexible, ideal for soft parts. On the flip side, other materials are stiff and suitable for tougher parts. So, the selection of these materials should be based on their specific properties. You can consult with our expert team and ask which material will be best for your particular part or product.
Why Choose SLS 3D Printing?
SLS 3D printing is a very flexible and modern manufacturing process. It can produce hundreds and thousands of SLS 3D printed parts in no time. Due to multiple benefits, the world is shifting towards additive manufacturing. Here are the key benefits of this printing technology:
Precision
The SLS 3D printers use a CAD file for interpreting the design. So during manufacturing, the printers follow computerized instructions (design) to make the parts. As a result, it makes the 3D printed parts precisely similar to the desired shapes.
Complex Shapes
SLS 3D printers use CAD design for their work. The computerized system of these printers analyzes the design and makes parts similar to this design. If your design has complex shapes or geometries, this method will ideally make the physical part of the complex shape.
Lead Times
The SLS 3D printing process is very fast, which is a significant advantage. Once you have the CAD design ready, the printer will take a few minutes to bring the design into reality. This additive manufacturing can create parts in days that used to take months with conventional methods.
Scalability
SLS 3D printing is a highly scalable manufacturing process. From prototyping to bulk production, this method offers an excellent value proposition. The old machining processes are slower, and do not fit when it comes to scalability.
Strength & Durability
The parts made with conventional methods are generally weak and less durable. However, the SLS 3D printing emits lasers at the correct location and fuses the powder strategically. This makes the SLS 3D parts very dense, solid, and durable.
No Need for Support
The SLS 3D printing process does not need any supporting structures. This method involves spreading powder on the build platform and then creating the fusion. This process is repeated in each layer and helps create strong parts.
Applications of SLS 3D Printing
SLS 3D printing is becoming very popular with every passing day. Many manufacturing sectors have already adopted this additive manufacturing over conventional machining. The reason is that this method takes less time and produces parts with the desired precision. The SLS 3D parts come with tighter tolerances of ±0.3 mm.
Here is the table showing the popular applications of this method in different sectors:
| Industry | Applications |
|---|---|
| Prototyping | Rapid functional prototypes, design validation models |
| Automotive | Lightweight ducts, housings, brackets, interior parts |
| Aerospace | Strong and lightweight parts, complex geometries |
| Medical | Custom prosthetics, orthotics, surgical guides, implants |
| Consumer Goods | Eyewear frames, footwear midsoles, sports gear |
| Electronics | Device housings, fixtures, insulating components |
| Tooling | Jigs, fixtures, molds, low-volume production tooling |
From aerospace to automobile and electronics, this manufacturing process dominates everywhere. The table above states a few popular sectors using this manufacturing method. Suppose you want to make a unique part with this technology, worry not! We will help you make SLS 3D printed parts with tighter tolerances.
SLS 3D Printed Parts Gallery












Share Your CAD File and Get Our SLS 3D Printing Service
CAD design is an integral part of the SLS 3D printing process. Do you have a CAD file (design) of your desired part? If so, we highly recommend sending your CAD file to us in the first step. We will analyze your design and provide a price estimate for our SLS 3D printing service.
In case you have a tight budget, worry not! We offer handsome discounts on our SLS 3D printing services. However, if you don't have a CAD file, don't panic, as we provide design services. In short, you'll get all the related services in SLS 3D printing under one roof. Sounds interesting? Reach out to us and let's partner and make something valuable.

