1. Instant Quote
Instant online quotes for any scale, from a single prototype to 10,000 parts.
From Prototyping to Production
Precision CNC Machining & Rapid Prototyping — ISO Certified Factory in China
From rapid prototypes to low-volume production. Turn your CAD files into precision metal and plastic parts —delivers high-quality metal and plastic parts with tight tolerances as fast as 3 days.
- 20+ Years: In Rapid Prototyping & CNC Manufacturing Since 2005
- 50,000 sq.ft.: Fully-Equipped Production Facility in Dongguan, China
- ISO 9001 & 13485: Dual-Certified Quality Management System
- 3 Business Days: Express Lead Time Available for Standard Parts
Get Inquiry NowAbout Great Light
One-Stop CNC Machining & Rapid Prototyping — From Single Prototype to Production
Whether your deadline is tomorrow or your program ships in three months, Great Light covers every stage of custom part development under one roof. From a single functional prototype delivered in 3 business days, to a bridge production run of 10,000 units without changing suppliers — our 50,000 sq. ft. facility and 200+ machines eliminate the handoff gaps that slow most product teams down.
CNC Machining Services
3-axis, 4-axis, and 5-axis high-speed milling and turning. We achieve tolerances as tight as ±0.005mm across 50+ engineering materials (Aluminum, Steel, Titanium, Plastics). Get your custom parts delivered in as fast as 3 business days.
- Tolerance accuracy up to ±0.025 mm
- Minimum wall thickness can reach 0.5 mm
- Delivery in as fast as 2 days
- Supports a variety of materials
Injection Molding & Rapid Tooling
Bridge the gap between prototyping and mass production. We deliver soft aluminum or steel molds in as little as 5–7 days, supporting runs from 100 to 100,000+ parts in production-grade plastics. Validate real material performance before committing to expensive hard tooling.
- T1 samples in as fast as 2 weeks
- Supports 1 to 1,000,000 parts
- Advanced overmolding and insert molding capabilities
- Ideal for both prototypes and large-scale production
Sheet Metal Fabrication
Laser cutting, CNC bending, stamping, and welding for enclosures, brackets, chassis, and structural parts. Lightweight and durable sheet metal solutions from prototype to production volume.
- Lead times starting from 3 days
- Wall thickness as thin as 0.008 in (0.2 mm)
- Ideal for enclosures, brackets, panels, and frames
- Aluminum, stainless steel, copper, and more
3D Printing Services
Advanced 3D printing services utilizing FDM, SLA, SLS, MJF, and DMLS technologies to produce high-precision plastic and metal parts. Ideal for rapid prototyping, design validation, and functional testing, our additive manufacturing solutions deliver complex geometries without tooling, with some SLA parts ready in as little as 1 business day.
- Speed
- Precision (±0.2 mm)
- Plastic & Metal Options
- 1-Day Lead Time
Die Casting Service
High-pressure die casting for aluminum, zinc, and magnesium alloys. We specialize in mass production of complex, thin-wall precision metal parts requiring consistent dimensional accuracy at high volume. From rapid tooling to large-scale manufacturing, get high-quality cast parts with repeatable tight tolerances
- Precision
- High output (min. 1000 pcs)
- Metal variety
- Wall thickness down to 0.8 mm
Vacuum Casting
Silicone mold casting for 20–200 part batches at injection-mold quality — without the high cost of metal tooling. This vacuum casting service is perfect for market testing, investor demonstration models, and functional pre-production validation. Achieve complex geometries with production-grade resins in as fast as 5-7 days.
- Precision (±0.05 mm)
- Low cost
- Fast turnaround
- Ideal for 1–20 pcs
Not Sure Which Process Fits Your Part?
Upload your drawing — our engineers will recommend the optimal process and quote within 24 hours. Free DFM review included.
Upload Drawing & Get Quote →
One Supplier. Every Process. Zero Traceability Gaps
Most manufacturers force you to manage five different vendors for prototyping, tooling, machining, finishing, and inspection. That’s five contracts, five lead times, and five opportunities for quality handoff failures. Great Light consolidates everything under one roof — and one quality system.
From Drawing Upload to Delivery in 4 Steps
SIMPLE. FAST. TRANSPARENT.
Wondering how long it actually takes to go from a CAD file to parts in your hands? Here’s exactly how every Great Light order works — no hidden steps, no surprise lead times.
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Upload Your Files
Submit your STEP, IGES, or STL file via our secure, NDA-protected upload portal.
2D PDF drawings welcome alongside 3D models.
Takes ~5 minutes
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DFM Review & Quote
Our engineering team analyzes your file for manufacturability and returns a competitive quote — with actionable DFM feedback included at no extra charge.
Within 24 hours
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Approve & Production Starts
Once you approve the quote, your job is scheduled immediately. You receive a confirmed production timeline and can track real-time progress.
Same day scheduling
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Ship & Receive
Parts ship via DHL, FedEx, or UPS with real-time tracking. Most North America and Europe deliveries arrive within 3–5 business days of dispatch.
3–5 days transit
Turn Your Ideas Into Reality.
We handle everything from design analysis to final production, ensuring a seamless and effortless experience for you.
Industries We Serve — Precision Parts for Demanding Applications
Our rapid prototyping, CNC machining, injection molding, and precision manufacturing services support engineers across various industries, including aerospace, automotive, medical, consumer electronics, industrial equipment, and home appliances. We understand the unique tolerance, material, and regulatory requirements of each sector, ensuring every component meets exact specifications.
With 20,000+ projects delivered and a dual ISO-certified quality management system, Great Light provides reliable, high-precision solutions for both commercial and regulated industries worldwide.
Automotive
Appliance
Aviation
Electronics
Medical Device
Industrial & Robotics
IATF 16949:2016–certified automotive manufacturing services for precision-engineered automotive and electric vehicle (EV) components. We specialize in EV motor housings, battery enclosure systems, engine brackets, transmission parts, and suspension components. With a capacity exceeding 8,000+ automotive parts per month, Great Light delivers reliable solutions for both prototyping and mass production.
Great Light delivers precision Home Appliance & HVAC components, specializing in high-performance motor shafts, bearing housings, and control panel frames. From functional prototyping to mass CNC machining and injection molding, we consistently meet rigorous durability standards, exacting surface finish requirements, and extremely tight tolerance specifications.
Our capabilities include producing titanium structural parts, Inconel turbine housings, aluminum assemblies, fuel nozzles, and avionics enclosures. Backed by ISO 9001 certification, FAI in accordance with AS9102, and full material traceability. Leveraging 5-axis CNC machining and DMLS metal 3D printing, Great Light ensures tight tolerances verified by CMM inspection, meeting the rigorous safety and performance standards of the global aviation and defense sectors.
Precision components for consumer electronics including aluminum enclosures, heat sinks, PCB brackets, precision connector bodies, and RF shielding panels. We specialize in high-quality anodizing with custom Pantone colors and tight tolerances for both prototypes and production volumes.
We are ISO 13485:2016 certified for the manufacturing of high-precision medical device components, including surgical instrument parts, implant trial components, diagnostic equipment housings, and lab automation parts.
Support surgical instrument components, implant mockups, and diagnostic equipment housings using biocompatible materials (Titanium, PEEK, Stainless Steel) with strict medical industry standards for safety, reliability, and traceability.
We specialize in delivering high-precision, low-volume to production-grade medical components for global medical device manufacturers.
Robot end-effectors, actuator components, custom fixtures, precision guide rails, and sensor mounts. Rapid iteration to keep development programs on schedule.
From Aluminum Prototypes to Titanium Production Parts
Materials & Specifications
The material you choose determines machining strategy, cost, surface finish options, and lead time.
Not sure which alloy is right? Our engineers provide material recommendations as part of every DFM review — at no charge.
The Right Finish Protects Performance — and Wins Shelf Space
SURFACE FINISHING OPTIONS
Great Light provides in-house surface finishing for most standard requirements —
eliminating third-party handoffs that add lead time and quality risk.
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Anodizing (Type II & III)
Corrosion & wear resistance for aluminum. Type III (hard anodize) for aerospace & high-wear applications.
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Electroplating
Nickel, chrome, gold, zinc. Enhances conductivity, wear resistance, and corrosion protection.
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Powder Coating
Durable, uniform color finish. Excellent impact and corrosion resistance. Available in RAL and custom colors.
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Passivation
For stainless steel and titanium. Removes contaminants, enhances natural corrosion resistance — essential for medical parts.
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Electropolishing
Ultra-smooth surface finish for stainless steel. Reduces bacterial adhesion — standard for food-grade and medical applications.
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Black Oxide / Bluing
For steel parts. Mild corrosion protection, matte aesthetic, dimensional stability — no significant build-up on surfaces.
Professional Project Support
Design & Engineering Support
Great Light offers expert technical support with a team of elite engineers and technicians, averaging over 8 years of experience, including one with 20+ years. We deliver fast, efficient solutions, personalized 1-on-1 assistance, and professional project design guidance.
Capacity
We have 150 CNC lathes and 15 CNC machining centers that can process workpieces with a maximum size of 1000mm x 500mm x 500mm and a machining accuracy of ±0.005 mm.
Equipped with 200+ advanced machines, we produce over 8,000 automotive parts monthly. ISO 9001:2015, IATF 16949:2016 & ISO 13485:2016 certified, ensuring precision, quality, and reliability in every project.
Rigorous Quality Control
- Our stringent quality control system ensures the manufacturing of top-notch prototypes and production parts.
- ISO 9001 and 13485 Certification for Manufacturing Excellence
- Adherence to Strict Manufacturing Standards
- Utilization of Advanced Facilities
Rework and Refund Policy
- If the delivered parts do not meet your specifications, contact us within five business days of receipt. We guarantee to resolve your issue within 1-3 business days.
- Genuine after-sales service, prompt and responsive customer support.
Why Global Engineering Teams Choose Great Light
In today’s rapidly evolving market, having a trusted partner who can quickly transform innovative ideas into high-quality products is critical. At Great Light, we stand out with our exceptional expertise and unwavering commitment to your success.
⚡ 3-Day Express Lead Times
Your project shouldn’t wait. Our streamlined production workflow and advanced manufacturing infrastructure mean that standard CNC machined parts can be delivered in as little as 3 business days. For 3D printed parts, some orders ship the same day. We provide real-time order tracking so you’re never left in the dark.
🎯 ±0.01mm Precision, Every Time
Great Light operates 3-, 4-, and 5-axis CNC machining centers equipped with advanced CAD/CAM software (SolidWorks, Mastercam). Every part undergoes initial, in-process, and final inspection using CMMs, optical comparators, and calibrated calipers. We maintain surface roughness under Ra 0.8μm and provide full inspection reports on request.
🔒 Your IP is Safe — NDA on Request
We understand that your designs are your most valuable asset. Great Light is happy to sign a Non-Disclosure Agreement (NDA) before reviewing any files. All design data is stored securely, and we maintain strict internal data access controls.
✅ ISO 9001:2015 & ISO 13485:2016 Certified
Our quality management system meets the highest international standards. ISO 9001:2015 covers our overall manufacturing excellence, while ISO 13485:2016 certification demonstrates our capability to manufacture components for regulated medical device applications.
Our Commitment to Quality
In today’s rapidly evolving market, having a trusted partner who can quickly transform innovative ideas into high-quality products is critical. At Great Light, we stand out with our exceptional expertise and unwavering commitment to your success.
50 testing equipments
30 quality inspection engineers
20K successful cases experience
2K cooperative customers
1. Rigorous Quality Assurance
We don’t just say we’re committed to quality; we prove it. Our facility operates under a strict ISO 9001:2015 Quality Management System. We use advanced precision tools like CMM and 2D measurement instruments to ensure every single product meets your exact specifications.
2. Unmatched Expertise and Experience
Since 2010, we’ve built a reputation for excellence. Our skilled engineering team has extensive experience in rapid prototyping and manufacturing, handling complex projects of all sizes with ease and precision.
3. Reliable Global Network
Our state-of-the-art facilities and strong partnerships with global manufacturers give us an unlimited production capacity. This ensures your projects are completed on time, every time, without compromise.
3. Proven Track Record
With over 20,000 successful projects delivered to clients worldwide, we’ve earned a strong reputation for reliability and customer satisfaction.
From Rapid Prototyping to SCALA Production
At Great light, we offer a full spectrum of manufacturing solutions—starting from rapid prototyping to low-volume and on-demand production. Whether you’re in the early design validation phase or ready for scaled manufacturing, we help you bring ideas to reality with speed, precision, and quality.
Rapid Prototyping
Low-volume Manufacturing
On-demand Production
What Our Customers Say?
See how engineers and manufacturers rely on Great Light for high-quality parts, reliable delivery, and expert support-from early production runs to full-scale manufacturing.
“Great Light’s DFM feedback saved us roughly $18 per unit on an aluminum enclosure — they caught a tolerance stack-up we’d missed that would have made assembly impossible. The parts arrived in 6 days from order. We moved our entire production program to them.”
Michael R.
Senior Mechanical Engineer, IoT Hardware Startup · USA
“We needed ISO 13485-compatible documentation for a Class II medical device component. Most shops either didn’t have it or charged a premium. Great Light treated it as standard. CMM report, material certs, and full traceability — everything our regulatory team needed.”
Sophie L.
Procurement Manager, Medical Device Company · Germany
“Switched from a local shop that couldn’t quote 3-day turnarounds. Great Light hit 4 days on a titanium prototype with tight aerospace tolerances — and the first-article CMM report confirmed every dimension within spec. That’s rare. We now use them for all prototype phases.”
James K.
R&D Program Manager, Aerospace Supplier · Canada
From prototype to mass production, their team has been incredibly responsive and professional. The parts we receive are always consistent in quality and delivered on schedule. It’s been a great experience working with them on multiple projects.
David Müller – Product Development Manager
Ready to Start Your Project?
From a single precision prototype to a short production run of thousands, Great Light is ready to help. Upload your files today and receive a detailed quote and free DFM feedback within 2 hours.
Questions? Email us at: [email protected]
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