From design optimization and prototyping to mass production and final assembly, Longwang simplifies the entire manufacturing process under one roof.

Why Choose One-Stop Manufacturing?
Accelerating Product Development with Precision Engineering and In-House Manufacturing Power
Fewer Suppliers
Reduce supplier management complexity and communication costs.
Faster Delivery
Integrated production shortens lead times and accelerates product launches.
Better Quality
Unified quality control ensures consistency throughout production.
Lower Costs
Optimize processes and reduce unnecessary logistics expenses.
Your Manufacturing Journey
A seamless workflow designed to reduce risks and bring products to market faster.

What We Offer
Design and engineering support to help you turn ideas into manufacturable products.
Design Support
We transform early ideas into manufacturable product concepts, balancing functionality, aesthetics, and real production feasibility effectively.
DFM analysis
Cost optimization
Material recommendations

CNC Machining
3-axis
4-axis
5-axis
Turning
Sheet Metal Fabrication
Laser cutting
Bending
Welding
Stamping
Surface Finishing
Anodizing
Powder coating
Painting
Polishing
Injection Molding
Prototype molds
Production molds
Plastic parts
Assembly Services
Mechanical assembly
Electrical assembly
Functional testing
Supply Chain Management
Hardware sourcing
Standard components
Packaging materials
Logistics Support
Global shipping
Custom packaging
Delivery coordination
700+
Equipment
500+
Professionals
20+
Years
1
All in one
From small prototypes to large-scale production, Longwang provides CNC machining for automotive, aerospace, and industrial applications, delivering reliable, high-quality parts worldwide.
Customer Success Story
Precision Parts and Engineering Achievements Globally

CNC Machined Stainless Steel Medical Needle-Like Component
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, Polishing, Deburring
Dimensions: 50 × 3 × 3 mm
Tolerance: ±0.01 mm
Parameter5: 66666
Surface Finish: Smooth, Burr-Free, Polished
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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Your Comprehensive Metal Manufacturing Solution Provider
Yes. We offer fast-turnaround prototyping to help you verify designs and functional requirements before scaling to high-volume manufacturing.
We process a wide range of metals including Aluminum (6061, 7075), Stainless Steel (304, 316), Titanium, Copper, Brass, and various specialty alloys.
Prototypes usually take 3-7 days. Mass production lead times vary from 2-4 weeks depending on the project scale and secondary finishing requirements.
For precision CNC machining, we hold tolerances as tight as ±0.005mm. For sheet metal fabrication, our standard tolerance is ±0.1mm, depending on design complexity.
Yes, we are IATF 16949 certified for the automotive industry, along with ISO 9001 and ISO 14001 certifications to ensure global quality standards.
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
Deeply cultivating the field of precision components processing.
tel:
0769-82763299
Mobile:
18988716988
fax:
0769-82763199
Address:
No.3 Longze Road,Chang'an,Dongguan, China,523861
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