FROM CAD TO FINISHED PARTMetal 3D printing.
Metal 3D printing.
Made complete
with CNC.
Complex geometry. Machined interfaces. The finish your part needs.
Custom parts.
Small runs welcome.
Small runs welcome.
CUSTOM MANUFACTURING · ONE TEAM
How can we help you?
Metal printing, plastic and nylon printing, and in-house CNC machining. Custom parts and small runs, reviewed around your drawing.
Metal 3D printing
SLM / DMLS for complex metal parts, with machining and finishing planned around your drawing.
Explore metal printing →
Plastic & Nylon 3D Printing
SLS / MJF nylon, SLA resin and FDM thermoplastics for prototypes and functional parts.
Explore polymer processes →
CNC Machining
In-house milling, turning and 3-, 4- and 5-axis machining for custom metal and plastic parts.
Explore CNC machining →Need precision features on a printed metal part? Explore metal printing + CNC →
MANUFACTURING CAPACITY
Printing. Machining. Inspection.
198 3D printers across seven processes, backed by in-house CNC machining and dimensional inspection.
SLM / DMLS metal printing systems for custom metal components.
157 SLA · 10 MJF · 2 SLS · 3 FDM · 1 full-colour · 1 DLP wax printing system.
77 machining centres · 39 CNC lathes · 10 Swiss-type machines in the main register.
3D printing equipment by process · 198 machines
| Process | Brand | Model | Build size / listed size (mm) | Material listed | Quantity |
|---|---|---|---|---|---|
| SLM | HBD | HBD350 | 350 × 350 × 450 | 4 | |
| SLM | Zhongrui | SLM280 | 280 × 280 × 350 | 6 | |
| SLM | 400 × 300 × 400 | Aluminium alloy | 9 | ||
| SLM | 250 × 250 × 300 / 400 × 300 × 400 | Stainless steel | 5 | ||
| SLA | Zhongrui | 800 | 800 × 800 × 500 | 4 | |
| SLA | UnionTech | 600 | 600 × 600 × 400 | 8 | |
| SLA | Zhongrui | 1300 | 1300 × 800 × 500 | 2 | |
| SLA | Zhongrui | 1600 | 1600 × 800 × 500 | 2 | |
| SLA | 600 / 450Listed nominal sizes (mm) | Clear resin (8100) | 8 | ||
| SLA | 600 / 800Listed nominal sizes (mm) | Yellow-green resin (HT-0815Y) | 20 | ||
| SLA | 600Listed nominal sizes (mm) | Black resin (Pure BLK) | 3 | ||
| SLA | 600Listed nominal sizes (mm) | White resin (8000) | 2 | ||
| SLA | 600 / 800Listed nominal sizes (mm) | White tough resin (6060) | 8 | ||
| SLA | 600 / 800 / 1400Listed nominal sizes (mm) | Standard white resin | 100 | ||
| MJF | HP | HP4200 | 380 × 284 × 380 | 2 | |
| MJF | HP | 4200 / 5200 | Nylon | 8 | |
| SLS | Farsoon | 2 | |||
| FDM | 1000 × 610 × 610 | Black ABS / beige ASA | 3 | ||
| Full colour | 140 × 200 × 190 | VeroUltra | 1 | ||
| DLP | 192 × 108 × 200 | Red wax | 1 | ||
| Total 3D printers | 198 | ||||
Build sizes describe equipment capacity. The selected system, finished-part dimensions and inspection requirements are confirmed for your project. CNC machines are listed separately.
ISO 9001
IATF 16949
CUSTOMER REFERENCES
FROM DRAWING TO FINISHED PART
Why Choose Us?
3D printing, strengthened by in-house CNC and a team that understands your part.
CNC Machining & 3D Printing
From CNC milling, turning, mill-turn machining, and 3-, 4- and 5-axis machining to industrial 3D printing, we provide multiple manufacturing technologies for custom metal and plastic parts.
Prototypes & Low-Volume Production
From one-off prototypes and custom parts to low-volume production and repeat orders, we provide flexible manufacturing without the need to commit to large production quantities.
Multiple Materials, Processes & Finishes
A wide range of metals, engineering plastics and 3D printing materials are available, together with secondary machining and finishing options to meet functional, dimensional and cosmetic requirements.
Precision & Quality You Can Verify
Tight-tolerance CNC machining down to ±0.01 mm on selected critical features, with mirror-like surface finishes down to Ra 0.1–0.2 μm where applicable. Dimensional inspection, surface roughness verification, inspection reports and material documentation are available when required.
Engineering Support
Not sure which manufacturing process is right for your part? Our team can review your drawings and provide practical recommendations on process selection, manufacturability, materials, tolerances and surface finishes before quotation.
Clear Communication & Responsive Support
Clear, efficient communication throughout your project — from RFQ and technical clarification to production, delivery and after-sales support. Our experienced team focuses on understanding the issue, providing practical solutions and resolving problems promptly when they arise.
One RFQ. Multiple Parts. Multiple Processes.
Upload your drawings, CAD files, ZIP packages and Excel parts lists in one request. We review each part individually and recommend the appropriate manufacturing process, material and finishing route before quotation.
CUSTOMER PROJECTS
Parts made for our customers.
PROTECTIVE PACKAGING · CK WORKSHOPSeparated → Protected → Ready to ship
THE ORDER JOURNEY / 01—05
Protected parts. Clear delivery steps.
Follow your parts from order confirmation and production through inspection, protective packaging, delivery and after-sales support.
Support at every stage. Your CK contact helps with questions, changes and delivery updates throughout the order.
01Confirm02Produce03Inspect04Protect05Deliver
See your order journey →
MATERIALS
Choose your process. Find your material.
AlSi10Mg Aluminium
A lightweight aluminium alloy for complex printed components, with CNC machining available for specified interfaces.
View material →
316L Stainless Steel
An austenitic stainless steel for printed components requiring corrosion resistance and mechanical strength.
View material →
Ti-6Al-4V Titanium
A titanium alloy for lightweight metal components requiring high strength and corrosion resistance.
View material →
P8120
An SLS nylon for lightweight functional parts requiring strength, impact performance and wear resistance.
View material →
8111X White Resin
A white SLA resin for finely detailed visual prototypes with a smooth surface and stable appearance.
View material →
ABS+
An engineering thermoplastic for functional prototypes, housings and fixtures requiring impact and heat resistance.
View material →
Aluminium alloys
Lightweight, readily machinable metal for housings, brackets and structural parts. Alloy choice influences strength and finishing.
View material →
Stainless steel
Corrosion resistance and strength for functional metal parts. Select the grade to suit the working environment.
View material →
POM / Acetal
A machinable engineering plastic combining dimensional stability, wear resistance and low friction.
View material →FINISHING & POST-PROCESSING
Define the surface. Complete the part.
CNC-MACHINED BASECK COMPONENT
SMOOTHING
Vibro polishing
A different component demonstrates a smoother, more even appearance while keeping the exact same part and viewing angle.
View finish →
Black
Normal machinedMirror polished
Mirror polishing
Drag to compare the original machined surface with the finished mirror polish.
View finish →
QUALITY & DOCUMENTATIONAgree the specification.
Agree the specification.
Define the inspection.
Surface roughness
See a real measurement example. Agree the required Ra and the surfaces to be checked.
View inspection →
Dimensional inspection
Our in-house ZEISS CMM verifies critical dimensions, datums and geometric tolerances. Inspection scope and reporting are agreed with your drawing.
View inspection →
BLANK REPORT TEMPLATE ↗Inspection reports
Agree which dimensions, results and supporting records you need before production.
Discuss documentation →The available flat-sample video shows Ra 0.392 μm for that sample. Mirror-like appearance and measured roughness are reviewed separately.
THE PEOPLE BEHIND YOUR PARTS
A conversation with the people who make it.
Christina 
Cindy 
Kevin 
Zoe 
Jessica 
Alina 
Kenneth
Commercial clarity.
Engineering understanding.
Discuss the drawing, manufacturing route and inspection requirements with our team, from the first enquiry through delivery.
CUSTOMER REVIEWS
Feedback from our customers.
In our customers’ own words — from part quality to delivery.
Direct messagePart quality
Your material have a really good quality
— 3D printing customer
Email feedbackIn use
The parts have already been assembled and I haven't received any complaints…
— Manufacturing customer
Direct messageDelivery
Everything was perfect
Good packaging
— 3D printing customer
Direct messageFuture projects
Don't worry about that, we have already verified the quality of your work…
— 3D printing customer
Direct messageEspañol
Nos gusta la calidad de ustedes.
Son nuestro mejor proveedor en cuanto a calidad.— Customer · Original Spanish
Direct messageProject requirements
The quality is fine, and in the case of these components, we didn't need very high precision, so it's all good.
— Manufacturing customer
Direct messageOrder feedback
Thank you very much once again for the quality of your work.
— Manufacturing customer
Direct messageEspañol
CALIDAD MUY BUENA LA DE USTEDES— Customer · Original Spanish
Drag or swipe to explore
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Real messages shared directly with CK. Original wording retained; customer names, companies and order details withheld.
Portraits show CK staff, not reviewers. “CK contact” follows the conversation; “CK team” is a team representative, not an order-handler attribution. No star ratings or external verification implied.
CASE STUDIESAutomotive 3D printing:
Automotive 3D printing:
From design validation to functional parts.
Explore automotive prototypes, tooling and functional components across FDM, SLA, SLS/MJF, metal AM and in-house CNC machining.
01 · FDM
Aerodynamic mirror validation model
Check styling, mounting and door integration before tooling.
View case study
02 · FDM
BIW welding-line location fixture
Combine location, sensor mounts and handling in one light tool.
View case study
03 · SLA
Automotive lamp optical and assembly prototype
Review lens geometry, clips and sealing grooves before tooling.
View case study
04 · SLA
Intake manifold flow-path validation prototype
Review passages, thin walls and mounting interfaces for assembly.
View case studyThese are automotive engineering application references, not disclosed CK customer projects. Final process, material, tolerance, finishing and validation requirements are confirmed against the customer drawing.
ABOUT CK
3D printing. Backed by in-house CNC.
One team around your project.
Our CNC machining foundation dates to 2008, with 3D printing services offered since 2017. We connect printed geometry, machined features and inspection around the needs of your part.
Our approach is straightforward: understand the drawing, agree the requirements and keep communication clear through production.
About CK →This factory video shows our CNC and inspection facilities.
PRINTING + CNC
3D printing + CNC: one coordinated route.
Combine complex printed geometry with precision-machined interfaces. Plan both processes around the same drawing.
Read article
THERMAL MANAGEMENT
Metal printed heat exchangers: beyond the unit price.
Review geometry, finishing and validation alongside manufacturing cost when comparing thermal-management components.
Read article
FDM · MATERIAL SELECTION
FDM carbon-fibre composites: design for impact.
Material choice, build orientation and part geometry all influence how a printed prototype responds to impact.
Read article
SLS · FUNCTIONAL PARTS
SLS nylon gears: match the operating environment.
Review chemical exposure, load, wear and dimensional stability before specifying a printed nylon transmission component.
Read article
ROBOTICS · RAPID PROTOTYPING
Robot joints: the right prototype at each stage.
Use resin and nylon prototypes for early development, then verify precision metal interfaces when the design requires them.
Read articlePROJECT PREPARATIONThe right files.
The right files.
A clearer start.
Prepare the files and specifications needed for an efficient engineering review.
CNC Machining File Guide
Prepare 3D CAD files, 2D technical drawings, parts lists, quantities and inspection requirements.
PREPARE CNC FILES3D Printing File Guide
A 3D CAD model is required. Prepare the parts list, quantities, material and finishing requirements.
PREPARE PRINTING FILESDrawing, Tolerance & Inspection Guide
Identify critical dimensions, tolerances, threads, surface roughness and inspection requirements.
SPECIFY REQUIREMENTS
