Precision Manufacturing Solutions
CNC Machining & OEM Expertise
GreatLight Metal provides ISO 9001-certified precision parts and custom manufacturing for industries like automotive, energy, robotics, and industrial sectors. Since 2011, our comprehensive solutions—from investment casting to advanced CNC machining—deliver quality, efficiency, and reliable supply chains for manufacturers worldwide.
Why Partner with GreatLight?
- Precision: High-tolerance components for complex applications.
- Experience: Over 15 years serving leading OEMs.
- Efficiency: Cost-effective solutions to optimize production.
Produced Parts
300,000,000+
Average Savings
Per Project
18%
30+
Machined Casting
Investment, gravity, die, sand, and grey iron castings produced for exceptional strength, dimensional accuracy, and long-term reliability across automotive, industrial, energy, and medical sectors.
Machined Forging
Hot and cold forged parts engineered for superior durability and consistent performance. Ideal for demanding assemblies and heavy-duty applications requiring tight tolerances.
Screw Machine Parts
Scalable manufacturing of screw machine parts in brass, steel, aluminum, and engineered plastics. Our streamlined processes ensure fast turnaround, cost efficiency, and dependable delivery.
Gears
Production of spur gears, helical gears, bevel gears, ring & pinion sets, worm gears, and assemblies. All gears are crafted for high precision, durability, and smooth operation in critical systems.
Shafts
Forged, gear, spline, welded, and worm shafts designed for strength, longevity, and compatibility with a wide range of equipment and machinery.
Prototyping & Engineering
Our engineering team partners with you to design, prototype, and refine custom components tailored to your unique requirements. We offer expert support throughout the development process, ensuring optimized solutions for your specific applications and seamless integration into your supply chain.
GreatLight Metal is ISO 9001, IATF 16949, and QS 9000 certified, ensuring every component meets the highest standards for quality and compliance.
For nearly 30 years, we have been a trusted partner to OEMs across automotive, energy, medical, and industrial sectors. Our expertise covers precision machining, casting, forging, and custom engineering—delivering ISO-certified components that drive performance and reliability.
From investment casting to advanced CNC machining, our end-to-end manufacturing solutions guarantee precision, durability, and consistent supply chain performance for every project
Industry-Leading Certifications & Compliance
All products are manufactured under ISO 9001, IATF 16949, and QS 9000 standards, ensuring regulatory compliance and consistent quality for global markets.
Rapid Prototyping & Scalable Production
Benefit from fast turnaround on prototypes and flexible manufacturing that scales efficiently from small runs to mass production, supporting your evolving business needs.
Reliable Global Logistics & On-Time Delivery
Our established logistics network and robust supply chain management guarantee timely, secure delivery and complete documentation for international shipments.
Customized Engineering & Technical Support
Collaborate with our expert engineering team for tailored design solutions, technical guidance, and responsive support throughout your project lifecycle.
GreatLight manufactures this stainless steel investment casting for part of a transducer used in the manufacture of exhaust gas recirculation (EGR) valves.
- Industry: Automotive Fuel System
- Material: AISI 304 Stainless Steel
- Tolerances: ±0.002
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1. What products and parts do you offer?
We provide a wide range of machined castings, forgings, CNC machined parts, gears, shafts, and custom components for various industries.
2. Which industries do you work with?
Our parts are used in automotive, industrial equipment, energy, medical devices, heavy machinery, and more.
3. Are your products certified for quality?
Yes, our manufacturing processes are ISO 9001, IATF 16949, and QS 9000 certified to ensure top quality and compliance.
4. Can you help with both prototypes and large orders?
Absolutely. We handle everything from rapid prototyping to high-volume production runs.
5. How do you make sure parts are delivered on time?
We use efficient logistics and have a Just-In-Time (JIT) warehouse in Guangdong, China for fast, reliable deliveries.
6. What is the benefit of your Precision manufacturing in Guangdong, China?
Our Precision manufacturing lets us store inventory close to you, so you get parts quickly and only when you need them, helping you save on storage costs.
7. How do I get a quote or start an order?
Just fill out our Contact Form or Request a Quote Form, and our team will get back to you with details.
8. Can you help with custom designs or engineering support?
Yes, our engineering team works with you to design and develop custom parts for your specific needs.