



Precision CNC machining solutions delivering high quality custom parts for aerospace, automotive, and industrial applications worldwide.
18+
Years of Manufacturing
50+
Skilled Engineering
700+
Advanced Machines
1000+
Manufacturing Process

ISO
Our Capabilities
Your Comprehensive Metal Manufacturing Solution Provider

CNC Machining
From medical devices to aerospace components, Longwang delivers aerospace-grade precision with tolerances up to ±0.005mm. Get your functional prototypes and production parts in as little as 3 days.

Sheet Metal Fabrication
Utilize our Amada laser cutting and NCT punching technology for complex enclosures and brackets. No MOQ required. We scale with you from one-off prototypes to high-volume assembly.

Stamping
20+ years of tooling expertise to minimize unit costs. Our automated stamping lines deliver consistency and reliability for New Energy Vehicle (NEV) and high-end 3C electronics components.

One-stop Supplier
More than just a machine shop. We integrate CNC, sheet metal, stamping, and automated surface coating into a seamless vertical workflow. One point of contact, endless manufacturing possibilities.
One-Stop Processing Service
Comprehensive Custom Metal Solution Supplier

Strategic Design & Engineering Assessment
Our engineering experts collaborate with you to refine CAD drawings and technical specifications, ensuring that every part is optimized for performance, durability, and high-precision manufacturing.

Accelerated Prototyping & Validation
We bridge the gap between concept and reality with high-speed prototyping. This phase allows for functional testing and design verification, ensuring your vision is achievable before scaling up.

Scalable High-Precision Manufacturing
Leveraging 700+ advanced machines, we transition seamlessly from prototype to high-volume production, maintaining extreme consistency and IATF 16949-certified quality standards.

Protective & Aesthetic Surface Finishing
We provide a comprehensive range of surface treatments in our government-qualified, eco-friendly coating lines, enhancing both the durability and the aesthetic appeal of your components.

Integrated Assembly & Final Delivery
Our vertical integration concludes with professional assembly and global shipping. We deliver fully-finished sub-assemblies or final products, ready for immediate use in your supply chain.

What Our Clients Say About Us
Hear How Our Precision Manufacturing Solutions Deliver Quality and Reliability Worldwide

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Longwang’s vertical integration allowed us to move from design to mass production 30% faster than our previous supplier. Their attention to detail on ±0.005mm tolerances is unmatched.
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Finding an IATF 16949 certified partner who can maintain zero-defect quality across 100,000+ units is rare. Longwang's production gives us the stability our automotive projects demand.
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The surgical instrument prototypes Longwang delivered were flawless. Their ability to machine complex geometries in medical-grade stainless steel with extreme precision is critical for our patient-safety goals.
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For our high-end 3C products, surface finish is as important as structural integrity. Longwang’s eco-friendly surface treatment and CNC finishing delivered the premium metallic texture our customers expect.
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Speed to market is everything in the low-altitude economy. Longwang helped us iterate through five drone frame designs in just three weeks, ensuring our final parts were both lightweight and ultra-strong.
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Their sheet metal fabrication capacity is impressive. From laser-cut precision to heavy-duty bending, Longwang handled our large-scale control cabinet orders with exceptional durability and fast global shipping.
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Customer Success Story
Precision Parts and Engineering Achievements Globally

CNC Aluminum Alloy Sandblasted & Anodized Car Modification Component
A high-precision CNC machined aluminum alloy component for automotive modification, finished with sandblasting and anodizing to ensure both durability and premium aesthetics.
Material: Aluminum Alloy 6061-T6
Manufacturing Process: CNC Machining, Sandblasting, Anodizing
Dimensions: 180 × 95 × 60 mm
Tolerance: ±0.02 mm
Sandblasted, Type II Anodized: 66666
Weight: 1.2 kg
Batch Size: 5000 pcs
Color: Matte Silver
Read Full Case Study

CNC Machined Stainless Steel Medical Pump Clutch Base
High precision stainless steel component designed for medical applications, featuring tight tolerances and smooth finishes for safe, reliable, and precise performance.
Material: Stainless Steel 304
Manufacturing Process: CNC Machining
Dimensions: 43 X 19.5 X 8.3 mm
Tolerance: ±0.01 mm
Weight: 0.05KG
Surface Finish: Ni-P-PTFE
Read Full Case Study

CNC Machined Stainless Steel Liquid Cooling Connector for AI Server Thermal Systems
A high precision CNC turned stainless steel liquid cooling connector designed for AI server thermal management systems. The component ensures stable coolant flow, high sealing performance, and long-term corrosion resistance under continuous high-load computing environments.
Material: Stainless Steel 316L
Manufacturing Process: CNC Turning + Precision Drilling + Threading
Surface Finish: Polished / Anti-corrosion Natural Finish
Tolerance: ±0.01 mm
Max Outer Diameter: 28 mm
Connection Type: Threaded Quick-Connect Interface
Application Medium: Liquid Cooling (Water/Glycol-Based Coolant)
Batch Size: Prototype + Small Batch Production
Read Full Case Study

Custom EV Charging Station Enclosure and Final Assembly Solution
A complete manufacturing project covering sheet metal fabrication, surface finishing, component integration, and final assembly for a smart electric vehicle charging station. Longwang provided a one-stop production solution, delivering ready-to-install charging units with consistent quality and shortened lead times.
Material: Stainless Steel 304 + Powder-Coated Steel
Manufacturing Process: Sheet Metal Fabrication + Surface Finishing + Assembly
Surface Treatment: Powder Coating + Silk Screen Printing
Assembly Accuracy: ±0.10 mm
Product Height: 1,200 mm
Read Full Case Study
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CNC Machining Materials Solution
Precision metal solutions for performance, quality, and industrial applications.

Aluminum Alloy

Brass

Stainless Steel

Titanium

Copper
Equipment List
Combining automated equipment and advanced technologies to ensure sheet metal product quality.


MK 4020F Laser Cutting Machine
Model:MK 4020F
Machine Type:Fiber Laser Cutting Machine
Cutting Area:4000 mm × 2000 mm
Cutting Accuracy:0.001 mm
View Details


Citizen A20 5‑Axis CNC Turning Center
Machine Model:Citizen A20
Machine Type:5‑Axis Swiss Type Lathes
Controlled Axes:X1, X2, Y, Z1, Z2
Turning Diameter:Up to 20 mm
View Details


Huijie M652S Multi-Axis Turning Center
Machine Model:Huijie M652S
Machine Type:CNC Turning & Milling Center
Control System:FANUC / Syntec CNC Control
Machining Capability:Turning, Milling, Drilling, Tapping
View Details


Brother SPEEDIO S500X1 CNC Machining Center
Machine Model:S500X1
Machine Type:CNC Milling Machine
Controlled Axis:X, Y, Z
Axis Travel:500*400*300
View Details

How to Work With Us
24/7 Support for Productions + Prototypes & Parts Fast Global Delivery
01.
Upload Your CAD File
Submit your 3D designs securely under NDA.
02.
DFM & Quote
Receive technical feedback and a real-time quote within 12 hours.
03.
Start Production
Precise manufacturing begins on our 700+ advanced machines.
04.
Global Delivery
Quality-inspected parts delivered via international express.
Your Comprehensive Metal Manufacturing Solution Provider
We offer both rapid prototyping and large-scale production, utilizing over 700 machines and experienced engineers to deliver high quality CNC parts with minimal compromise on lead time or consistency.
For precision CNC machining, we hold tolerances as tight as ±0.01mm. For sheet metal fabrication, our standard tolerance is ±0.1mm, depending on design complexity.
We process a wide range of metals including Aluminum (6061, 7075), Stainless Steel (304, 316), Titanium, Copper, Brass, and various specialty alloys.
Yes. We offer fast-turnaround prototyping to help you verify designs and functional requirements before scaling to high-volume manufacturing.
Yes, we are IATF 16949 certified for the automotive industry, along with ISO 9001 and ISO 14001 certifications to ensure global quality standards.
Prototypes usually take 3-7 days. Mass production lead times vary from 2-4 weeks depending on the project scale and secondary finishing requirements.
Yes. We have an integrated eco-friendly coating line and offer anodizing, plating, sandblasting, and laser engraving as part of our one-stop service.
Simply upload your CAD drawings (STEP, IGS, or PDF) via our contact form. Our engineers will provide a technical assessment and quote within 24 hours.

Get in Touch With us
Helping customers grow steadily and achieve win-win development
Your trusted partner for CNC machining, sheet metal fabrication, stamping, and assembly. From prototyping to mass production with strict quality control.
tel:
0769-82763299
Mobile:
+86 18988716988
fax:
0769-82763199
Address:
No.3 Longze Road, Chang'an Town, Dongguan City, Guangdong Province, China,523861
Copyright © 2008-2026 | Dongguan Longwang Hardware Co., Ltd. | All Rights Reserved.