Instant quotes for 1-10,000 parts
Custom Manufacturing & Delivered Fast
Great Light specializing in custom metal and plastic parts, we offer CNC machining, sheet metal fabrication, injection molding, and rapid prototyping—start with our lightning-fast quoting platform today!
Quick Quote for Your Project
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Years In Industry
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Customers Around The World
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Factory Engineers
What Services We Offer?
CNC Machining
Greatlight provides advanced CNC milling and turning services. Whether it is a small batch trial production or batch processing, we can provide you with high-precision, stable and reliable CNC machining services.
- 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 such as aluminum alloy, stainless steel, plastic, etc.
Injection Molding
Greatlight offers comprehensive plastic injection molding services, including rapid tooling, production tooling, overmolding, and insert molding. Whether you need one part or one million, we deliver consistent quality with no minimum order quantity.
- 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
Precision-Crafted Metal Parts, Fast Turnaround
Delivers custom sheet metal fabrication services. Including laser cutting, bending, welding, punching, riveting, and stamping. Support both prototyping and production, with flexibility in design and tight tolerances.
- 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
Rapid Prototyping with Industrial-Grade Accuracy
Greatlight offers industrial 3D printing services using SLA, MJF, SLS, and SLM technologies—ideal for both functional prototypes and low-volume production.
- Speed
- Precision (±0.2 mm)
- Plastic & Metal Options
- 1-Day Lead Time
Die Casting
Offers high-precision die casting services using materials like aluminum, zinc, magnesium, and copper. Ideal for mass production of precision metal parts.
- Precision
- High output (min. 1000 pcs)
- Metal variety
- Wall thickness down to 0.8 mm
Vacuum Casting
Provides vacuum casting services for producing plastic prototypes and low-volume parts using silicone molds. It’s an excellent alternative to traditional injection molding when speed, flexibility, and cost control matter most.
- Precision (±0.05 mm)
- Low cost
- Fast turnaround
- Ideal for 1–20 pcs
Greatlight Manufacturing Capabilities
Greatlight operates a 50,000 sq. ft. production facility and maintains a robust supply chain of strictly audited partners. This extensive network enables us to provide an all-in-one service for rapid prototyping and the custom production of high-quality parts and prototypes.
Our integrated approach ensures consistent quality and reliability at every stage of your project — from prototype to full-scale manufacturing.
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Millions+ Parts Delivered
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Global Clients
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Precision Tolerance
How We Work for Your Project
Quick QuoteUpload Your CAD Files
Upload your detailed specifications CAD files and design to receive a rapid quote. or send to [email protected]
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Get Quote & DFM Review
We provide DFM analysis to refine your design and the quote before mass production.
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Transaction and production
Complete the transaction, pay the deposit and arrange production. We collaborate with experts to bring your designs to life.
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Parts Inspection and Shipped
Your custom parts will be inspected for quality and then delivered safely to your company.
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Industry Experience
We pride ourselves on offering comprehensive one-stop rapid prototyping services and satisfying customers’ needs from all kinds of industries, including aerospace, appliance, automotive, electronics, medical device, and robotics industries, among others.
Automotive
Appliance
Aviation
Electronics
Medical Device
Robotics & Automation
Rapid prototyping and on-demand production are indispensable in the automotive industry, driving innovation, reducing costs, and ensuring the high quality and customization required in modern vehicle manufacturing.
We leverage state-of-the-art processing technologies to provide high-quality rapid prototyping and on-demand production services tailored for the appliance industry.
We employ state-of-the-art technologies and processes to deliver precise, high-performance components and assemblies, ensuring stringent aerospace standards are met.
Our rapid prototyping and on-demand production services utilize a range of advanced processing technologies specifically suited for the electronics industry, including 3D Printing, CNC Manufacturing and more.
Using cutting-edge manufacturing technologies ensures that we provide high-precision components and assemblies that meet the stringent requirements of medical applications.
Our goal is to support the development of cutting-edge robotic and automation solutions by offering precision-engineered components and assemblies with exceptional turnaround times.
Professional Project Support
Design & Engineering Support
- Greatlight provides proactive and professional technical support round the clock. Our dedicated team of engineers and technicians is committed to addressing your concerns promptly and competently.
- Elite engineers & technicians, personalized 1-on-1 technical support, professional project design assistance.
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.
Each CNC machine has an average daily output of 8 pieces, and a total of 150 machines, with an average daily output of 160 pieces. We are able to complete 5,000 automotive parts orders per month.
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 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.
What We Bring to You
Fast & High-Quality Delivery.
With industry-leading rapid prototyping and mold manufacturing capabilities. Our projects can be completed in as little as 3 days, speeding up your time-to-market.
Comprehensive Expertise
From design and material selection to testing, manufacturing, and surface treatment, our experienced team provides end-to-end solutions.
Save Time and Costs
You provide the concept and requirements, and we take care of the rest. No need to coordinate with multiple manufacturers.
Personalized Technical Support
We offer one-on-one technical support, ensuring every question you have is answered quickly and professionally.
Why Trust Great Light’s Quality?
Rigorous Quality Assurance
We strictly follow the ISO 9001:2015 Quality Management System, leveraging advanced production lines and precision measurement equipment (such as CMM and 2D measurement instruments) to ensure every product meets your specifications accurately.
Outstanding Industry Experience
Since 2010, we have specialized in rapid prototyping and manufacturing, amassing extensive project experience. Our engineering team is highly skilled at handling complex projects of various scales.
Robust Production Network
With our state-of-the-art facilities and strong partnerships with global high-quality manufacturers, we have unlimited production capacity, ensuring your projects are completed efficiently and on time.
20,000 Project Success
To date, we have delivered over 20,000 projects to clients worldwide, consistently earning positive reviews and building a strong reputation for reliability.
50 testing equipments
30 quality inspection engineers
20K successful cases experience
2K cooperative customers
From Rapid Prototyping to SCALA Production
At Greatlight, 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
Instant quote & DFM analysis in seconds
3D Printing, CNC Machining, Vacuum Casting, and more
Validate your design before full-scale production
Low-volume Manufacturing
Bridge prototype and mass production
Cost-efficient with production-grade quality
Fast lead times to accelerate go-to-market
On-demand Production
Engineering team supports DFM optimization
Dedicated project manager for smooth communication
First Article Inspection & consistent quality control
What Our Customers Say?
See how engineers and manufacturers rely on Greatlight for high-quality parts, reliable delivery, and expert support-from early production runs to full-scale manufacturing.
We’ve been sourcing CNC machined parts from this factory for over two years now. Their precision, delivery speed, and willingness to accommodate custom requests are unmatched. It’s rare to find such a reliable and technically capable partner in this industry.
Michael Chen
Purchasing Manager
Their team has consistently delivered high-quality components that meet our tight tolerances. Communication is always clear and timely, and they’ve helped us solve multiple design challenges with their engineering support. A trustworthy CNC supplier we’re proud to work with.
James Turner
Operations Director
I’ve worked with many CNC suppliers, but this factory stands out. Their attention to detail and commitment to quality gives us the confidence we need for our high-performance assemblies. They’re not just a vendor — they’re a real manufacturing partner.
Robert Singh
Head of Engineering
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
Get Inquiry Now!