Accelerating Ideas with Precision CNC Prototyping

Lewei Precision specializes in transforming your designs into high-quality CNC prototypes with speed and accuracy. From early-stage concepts to fully functional prototypes, we deliver top-tier precision, ensuring rapid iteration, testing, or presentation readiness.

Start building your vision

Simply upload your design file and get an instant quotation with competitive pricing and quick turnaround details

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Bring your product ideas to life quickly and accurately with our expert prototyping services.

Unwavering Precision in Manufacturing

Lewei Precision offers dependable CNC manufacturing for both low-volume and large-scale production. With a focus on quality, each part is crafted to meet stringent standards for durability, accuracy, and on-time delivery. Our services are trusted by industries such as aerospace and electronics.

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Our Advanced Manufacturing Capabilities

Lewei Precision provides a range of manufacturing capabilities to support rapid prototyping and both low and high-volume production needs. With our own factory and a reliable Chinese network, we deliver complex, high-quality parts efficiently.

Precision CNC milling, turning, and machining services with tolerances as tight as ±0.001″, and rapid turnarounds.
Get plastic injection molding, overmolding & insert molding with fast & production tooling. No MOQ. T1 samples in 2 weeks. Scale 1 to 1M units.
Laser cutting, bending, welding, and stamping for sheet metal with tolerances of ±0.005″, offering precise prototypes and rapid lead times.
SLA, HP MJF, SLS, and SLM technologies for functional prototypes and low-volume production with ±0.008″ precision and fast delivery.
Offer high quality, low-cost metal extrusions with a variety of post-machining options. Rapid 2-week delivery.

Precision die casting services for aluminum, zinc, magnesium, and copper parts, with tolerances as tight as ±0.03″ for high-volume production.

Rapid production of plastic prototypes with ±0.002″ precision, ideal for low-volume manufacturing with fast iterations.
Precision sinker and wire EDM services for sharp corners, thin walls, and complex geometries, with kerf widths from 0.001″ to 0.01″.

Our Equipment & Manufacturing Capabilities

We specialize in delivering high-quality manufacturing solutions through advanced 5 axis CNC machining, precision sheet metal fabrication, and durable die casting. Our capabilities also include CNC turning, plastic injection molding, and a wide range of surface finishing services, ensuring accuracy, strength, and reliability for every project.

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Premium Aluminum Material Solutions

Discover high-quality aluminum sheets and versatile aluminum materials designed for strength, durability, and lightweight performance. Ideal for construction, manufacturing, automotive, aerospace, and DIY applications, our aluminum products combine corrosion resistance, excellent formability, and a sleek finish. Whether you need precision-cut sheets or raw aluminum material, we provide reliable solutions tailored to your project needs.

High-strength, copper-based alloys with excellent fatigue resistance, ideal for aerospace and automotive applications.

Manganese-based alloys with excellent corrosion resistance and formability, widely used in roofing, siding, beverage cans, and general sheet applications.

Magnesium-based alloys offering excellent corrosion resistance, high strength, and weldability, commonly used in marine, automotive, and architectural applications.

Magnesium and silicon-based alloys with excellent corrosion resistance, good strength, and outstanding machinability, widely used in construction.

Zinc-based alloys delivering the highest strength among aluminum series, with good fatigue resistance.

How to Work With Us

Submit Your CAD Design

Begin by selecting your preferred manufacturing process and uploading your design file to kickstart your project.

Request a Quote

Configure your project details, including material choice, finishing options, and quantity. Then, receive an accurate quote and DFM feedback before placing your order.

Receive Your Parts

After production is complete and your parts pass rigorous quality inspections, they are promptly shipped to you.

Your Trusted Partner for High-quality Manufacturing

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Quality is the foundation of everything we do. We are committed to achieving unmatched accuracy and precision throughout every phase of the production process.

To ensure your parts meet the highest standards, we leverage state-of-the-art inspection tools, including CMM, 2D measuring instruments, XRF analyzers, micrometers, gauges, and calipers. This advanced technology provides you with complete confidence that the parts we deliver meet your exact specifications.

Our dedicated quality team implements stringent quality control measures through comprehensive inspections at each stage. These inspections focus on key aspects such as appearance, functionality, and specific requirements. 

With over 20 years of experience, we have earned multiple ISO certifications that reflect our commitment to quality. Our reliable and timely prototyping and production services are backed by ISO 9001:2015, ISO 13485, ISO 14001, and IATF 16949 certifications, ensuring that we deliver the best to our clients every time.

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30,000+

Customer Served

100,000+

Parts Manufactured

120+

Countries Shipped
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80+

Manufacturing Partners

21 Years Experience

in metal & plastic prototype and part manufacturing.

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Our Case Studies

Discover how our manufacturing capabilities have fueled product development through real-world case studies from our customers.

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