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!

Instant quotes for 1-10,000 parts

Lead times from 3 business days

Machining with ±0.01mm precision

COVERAGE: about 5 0,000 sq. ft. Facility

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 in china

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.
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plastic injection molding service

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
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sheet metal fabrication welding in china

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
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3d printing in china

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
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die casting factory in china

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
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vacuum casting in china

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
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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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Years in Manufacturing

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Global Clients

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sq. ft. Facility

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Machines in Operation

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Precision Tolerance

cnc parts

How We Work for Your Project

Quick Quote

Upload 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

Custom parts manufacturing for Automotive

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.

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Custom fittings manufacturing for Appliance Industry

We leverage state-of-the-art processing technologies to provide high-quality rapid prototyping and on-demand production services tailored for the appliance industry.

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Custom fittings manufacturing for Aerospace Industry

We employ state-of-the-art technologies and processes to deliver precise, high-performance components and assemblies, ensuring stringent aerospace standards are met.

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Custom parts manufacturing for Electronics

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.

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Custom parts manufacturing for Medical Device

Using cutting-edge manufacturing technologies ensures that we provide high-precision components and assemblies that meet the stringent requirements of medical applications.

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Custom parts manufacturing for Robotics Automation Industry

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.

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Professional Project Support

Design & Engineering Support

  1. 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.
  2. 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

  1. Our stringent quality control system ensures the manufacturing of top-notch prototypes and production parts.
  2. ISO 9001 and 13485 Certification for Manufacturing Excellence
  3. Adherence to Strict Manufacturing Standards
  4. Utilization of Advanced Facilities

Rework and Refund Policy

  1. 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.
  2. 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.

cnc services in china

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!

+86 13829251132

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