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One-Stop Custom CNC Machining Service
LCW offers competitively priced, high-precision CNC machining services including milling, turning, and grinding.Equipped with advanced 3-axis, 4-axis, and 5-axis CNC milling machines, we deliver consistent quality, tight tolerances, and fast turnaround — no matter the project size.You can get instant online quotes for aluminum alloy CNC machined parts, covering everything from rapid prototyping to mass production.
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20+ years of CNC machining experience
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Advanced equipment with cost-effective pricing
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3-axis / 4-axis / 5-axis machining capabilities
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Precision tolerance up to ±0.01 mm
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ISO 9001:2015 & IATF 16949:2016 certified
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Lead time as fast as 1 day
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ISO
9001:2015 Certified
80+
CNC machines in operation
5000+
Global Customer Service
50,000+
CNC Machining parts produced monthly
Our Powerful CNC Machining Capabilities
We provide custom CNC machining solutions at highly competitive prices, supporting over 10 different materials and end-to-end product customization.Whether you need complex geometries, tight tolerances, or stable performance, LCW delivers the precision you can trust.We’re always ready to take on challenging CNC parts with strict tolerances and complex designs.
CNC Milling Service
Tolerance down to ±0.005 mm
24-hour quoting service
Rapid milling turnaround
20+ years of machining experience
CNC Turning Service
Tolerance down to ±0.001 inch
Highly competitive pricing
Fast turn-milling services
Cutting-edge production equipment
CNC Grinding Service
Cost-effective and highly competitive
Fast production turnaround
Quick grinding services
Short delivery cycles
Precision Machining
Full-process quality inspection
Rapid prototyping cycles
Experienced engineers
Small-batch, multi-category processing
5-Axis Machining
Consistent high-quality production
7-day quick turnaround
100% part inspection
One-on-one quotation service
Turn-Mill Compound Machining
Short lead times
First article inspection
Customized finished-part solutions
Guaranteed consistent quality
From Prototype Design to Manufacturing
LCW is your trusted one-stop custom manufacturing partner, covering the entire process from concept design to mass production. Leveraging rich manufacturing resources, mature technical solutions, simplified processes, and professional team support, we help you efficiently transform your ideas into high-quality products.
Prototype Design
20+ years of manufacturing experience
Instant online quotes
Competitive pricing
Short delivery times
Small-Batch Production
Quick turnaround production
100% part inspection
Free DFM feedback
State-of-the-art equipment
Medium and Large-Scale Production
Cost reduction
Consistent quality
First-piece inspection
1,000+ customer collaborations
Why Choose Us for CNC Machining Services
LCW combines robust and efficient manufacturing capabilities to produce both simple prototypes and complex, end-use parts. We adhere to strict tolerances and quality standards, ensuring each component is both precise and reliable.
Advanced Technology
Consistent High Quality
Customized Solutions
Fast Turnaround
Four Steps to Partnering with Us
LCW, with deep industry experience, provides efficient solutions for rapid prototyping and small-batch production. We break down our innovative process into four clear, efficient stages to ensure your project moves smoothly from concept to finished product.
Upload Your Design
Analysis and Quotation
Production
Quality Inspection and Delivery
Advantages of CNC Machining
CNC milling, controlled by precise programming and multi-axis systems, enables high-precision cutting of workpieces. This technology achieves ±0.005mm tolerance and Ra 0.4μm surface quality, meeting the demands of both simple and complex shapes, making it a core technology in precision manufacturing.
Precision Machining Capability
Handling Complex Geometries
Efficient Production System
Material Expertise
Full-Process Quality Assurance
Comprehensive Cost Optimization
Custom CNC Machined Parts Display
We invite you to browse through the portfolio of CNC machining projects we have accumulated over the past two decades. These case studies showcase the high-precision components and prototypes we have manufactured for leading clients across a wide range of industries.
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Customers
Processed Parts
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CNC Machining Tolerances and Standards
|
Process |
Tolerance (Inches) |
Tolerance(Millimeters) |
| 3-axis CNC Milling | ±0.005″ | ±0.13 mm |
| 5-axis CNC Milling | ±0.005″ | ±0.13 mm |
| Router | ±0.005″ | ±0.13 mm |
| Router (Gasket Cutting Tools) | ±0.030″ | ±0.762 mm |
| Engraving | ±0.005″ | ±0.13 mm |
| Rail Cutting | ±0.030″ | ±0.762 mm |
| Screw Machining | ±0.005″ | ±0.13 mm |
| Steel Rule Die Cutting | ±0.015″ | ±0.381 mm |
Materials for Custom CNC Machined Parts
LCW is equipped with a wide range of CNC machines to provide both cost-effective standard tolerance parts and high-precision custom parts for demanding applications.We strictly follow your design specifications to ensure every component exactly matches your drawings.
Aluminium
Materials: 1060, 1050, 1100
Lead time: ~3 working days
Tolerance: ±0.01 mm
Max part size: 200 × 80 × 100 cm
Available finishes: Machining, anodizing, powder coating, electroplating, painting, sandblasting, polishing
Aluminum Alloys
Materials: 7075, 7050, 6061, 6063, 6005, 6060, 6082, Aluminum series 1xxx–5xxx
Lead time: ~3 working days
Tolerance: ±0.01 mm
Max part size: 200 × 80 × 100 cm
Available finishes: Machining, anodizing, powder coating, electroplating, painting, sandblasting, polishing
Copper
Materials: C11000, C10100, C10200
Lead time: ~5 working days
Tolerance: ±0.01 mm
Max part size: 200 × 80 × 100 cm
Available finishes: Machining, polishing, sandblasting, heat treatment, black oxide, electroless nickel plating, chrome plating
Brass
Materials: H59, H62, H68, H90, H96, 260, C360
Lead time: ~5 working days
Tolerance: ±0.01 mm
Max part size: 200 × 80 × 100 cm
Available finishes: Machining, polishing, sandblasting, heat treatment, black oxide, electroless nickel plating, chrome plating, brushed finish
CNC Machining Surface Finishes
During CNC machining, tool marks may remain on the surface of the part.LCW provides a range of post-processing surface finishes — mechanical, chemical, and electrochemical — to enhance appearance, corrosion resistance, wear resistance, and sealing performance, meeting both functional and aesthetic requirements.
Anodizing
Material: Aluminum
Colors: Transparent, black, gray, red, blue, gold
Finish: Smooth or matte
Advantages: Corrosion protection, hardness improvement, aesthetic enhancement
Applications: Machine parts, aerospace components, automotive parts, precision devices
Electroplating
Materials: Copper, zinc, aluminum, etc.
Colors: Silver, chrome, gold, bronze, and other metallic tones
Texture: Glossy, semi-gloss, or matte, with uniform smoothness
Advantages: Improves corrosion resistance, increases hardness, enhances aesthetics and wear resistance
Applications: Auto parts, electronic connectors, hardware accessories, jewelry, industrial components
Electrophoresis Coating
Materials: Steel, aluminum, zinc
Colors: Typically black or gray (custom colors available)
Texture: Smooth matte or semi-matte
Advantages: Strong corrosion protection, full coverage, eco-friendly, strong adhesion
Applications: Auto parts, electronic housings, tools, home appliances, industrial assemblies
Sandblasting
Materials: Most metals
Color: Natural metal tone
Texture: Matte, uniform
Advantages: Removes burrs, improves adhesion, enhances surface texture
Applications: Cosmetic parts, medical instruments, automotive components, consumer electronics
Polishing
Materials: Aluminum, copper
Color: Natural metallic luster
Texture: Mirror, glossy, smooth
Advantages: Enhanced appearance, easy cleaning, corrosion resistance, smoothness
Applications: Decorative components, medical tools, kitchenware, electronics
Powder Coating
Materials: Copper, aluminum
Colors: Black, gray, or custom colors
Texture: Smooth, textured, matte, or glossy
Advantages: Strong decorative effect, corrosion protection, improved durability, multi-material compatibility
Applications: Electronic housings, automotive body panels, home appliances, industrial machinery, construction components
Application of CNC Machining
LCW’s CNC machining services have earned wide recognition from customers around the world.We are dedicated to providing high-precision CNC machining and manufacturing solutions for a variety of industries.Our precision components are extensively used in numerous key sectors, including
Providing tight-tolerance metal housings and intricate internal parts.
Creating robust gear and structural components designed to withstand extreme environmental conditions.
Machining specialized metallic parts essential for advanced battery brackets and power systems.
Forging and machining complex components that drive efficiency in industrial automation.
Supplying heavy-duty, wear-resistant metal parts for rigorous industrial machinery applications.
What Our Clients Say About LCW
With over 20 years of professional experience in CNC machining, LCW serves clients across multiple countries and regions worldwide. We believe that authentic customer feedback speaks louder than advertising—see what our global partners have to say about LCW’s quality and reliability.
Omar Al-Fayed
Product Vice President
Our large-scale project required custom mechanical structures, and LCW successfully handled the entire order.Their production capacity and scale gave us full confidence—they delivered massive quantities on time.Every shipment underwent strict quality inspection, ensuring full compliance with specifications.Cross-cultural communication sometimes required patience, but mutual respect and shared goals made our collaboration highly productive.
Lars van den Berg
Project Manager
We selected LCW as our structural component supplier for a solar energy project.Their engineers showcased excellent co-design capabilities, optimizing our structure to reduce weight while maintaining strength, saving both material and shipping costs.The project management was systematic, with clear reporting at every milestone.Since it was a custom-made project, some upfront tooling investment and time were required, which was expected.LCW’s innovation and cost-control mindset added real value to our project.
Michael Tremblay
Technical Supervisor
We source mechanical components from LCW, and their products fully meet our durability and performance expectations.What truly stands out is their after-sales and technical support.When installation issues arise onsite, their engineers provide instant video guidance and, when necessary, dispatch technicians on schedule.This level of support is essential for maintaining smooth operations for our clients.LCW provides not just products—but reliable solutions.
David Clarke
Technical Director
LCW is our primary supplier for our home product line.Their strengths lie in excellent cost-effectiveness and high-volume manufacturing efficiency, perfectly managing our seasonal bulk orders.Their designers also understand Western aesthetic preferences and consistently offer attractive product solutions.Occasionally, logistics delays occur due to global shipping issues—not LCW’s fault—but they always work proactively to resolve them.Overall, LCW is a crucial partner in achieving our business goals.
Emily
R&D Director
The medical device industry demands the highest standards of compliance and traceability, and LCW has demonstrated exceptional capability in both areas.They operate under a comprehensive quality management system and provide full batch traceability, greatly simplifying our audit processes. Their handling of biocompatible materials is also highly professional.While aligning standards and regulations took time at the beginning, it was a worthwhile investment. LCW is a trusted extension of our manufacturing department.
Kenji Tanaka
Procurement Manager
Our cooperation with LCW emphasizes precision and discipline.Their documentation is well-organized, and production processes are fully transparent—we can track our orders in real time through their system.Product quality is consistently stable, with defect rates kept exceptionally low as per contract. The only thing to note is that orders should be planned in advance during Japan’s Golden Week or the Chinese Spring Festival, though LCW always provides early notice. Their rigorous approach fits perfectly with our corporate culture.
Sarah Jenkins
Project Manager
As a startup, we needed a manufacturer who could not only understand our vision but also work flexibly with us—and LCW delivered exactly that.They helped us optimize our product prototype design from scratch, making it more suitable for mass production while effectively controlling costs.Their responsiveness rivals that of local companies, often holding meetings outside of working hours to align with our time zone.Although small-batch production costs are relatively high, that’s standard in the industry. LCW played a vital role in helping us successfully launch our product.
Klaus Richter
Technical Director
LCW is a key part of our global supply chain.Their engineering team has an impressive understanding of quality, and every component we receive meets the stringent standards of the German automotive industry.Their automated production lines guarantee excellent consistency. Occasionally, language barriers arise during technical discussions, but their team always uses drawings and data to ensure perfect understanding.LCW’s reliability has significantly reduced our quality inspection costs—they’re a partner we can depend on for the long term.
CNC Machining FAQs
What is CNC Machining?
CNC machining is a high-precision, high-efficiency manufacturing process that uses automated cutting equipment to precisely shape metal or plastic components.Depending on the complexity of the parts, LCW utilizes 3-axis, 4-axis, or 5-axis milling machines, lathes, and engraving tools to achieve exceptional precision and repeatability.
What Are the Advantages of CNC Machining?
CNC machining offers outstanding accuracy, repeatability, and efficiency.By using computer-controlled programming, it can consistently produce complex geometric parts with uniform quality across large batches.It supports a wide range of materials, shortens production cycles, and maintains tight tolerances—all while optimizing cost and performance.
What Are the Applications of CNC Machining?
CNC machining technology is widely used in industries such as aerospace, automotive, medical devices, electronics, energy, and consumer products.LCW specializes in producing high-precision parts with complex geometries and strict tolerance requirements, offering reliable solutions from prototype development to mass production.
Which Materials Can Be Used for CNC Machining?
CNC machining supports various materials, including aluminum alloys, stainless steel, titanium alloys, brass, and copper, meeting the strength, precision, heat resistance, and performance needs of different industries.
What Are the Key Benefits of CNC Machining?
CNC machining ensures exceptional dimensional accuracy, high production efficiency, and consistency across large runs. It supports versatile material processing, significantly reduces production time, and meets diverse manufacturing needs—from rapid prototyping to large-scale production—while keeping costs controlled.
How Does LCW Ensure Product Quality?
LCW ensures superior quality through advanced equipment, strict procedures, and full-process quality control.We operate in compliance with ISO 9001 quality management standards, conducting multi-stage inspections from raw material selection to final dimensional reporting.All production data is fully traceable and digitized, ensuring every batch of components meets your exact specifications.
How Can I Reduce the Cost of CNC Machining Parts?
You can reduce machining costs by:Optimizing design and material selection, Specifying tolerances appropriately, Utilizing DFM (Design for Manufacturability) analysis, Increasing order batch sizes, Matching surface finishing requirements efficiently. LCW’s engineers offer free DFM feedback to help you create cost-effective manufacturing plans without compromising quality.
What is LCW’s CNC Machining Capacity?
LCW operates two professional CNC machining facilities equipped with over 80 CNC milling and turning machines and supported by a team of more than 60 experienced engineers and technicians. We can internally produce over 5,000 CNC components per run, and with our reliable partner network, we can easily expand capacity to meet large-scale production demands. Our services cover 3-axis to 5-axis precision machining for materials such as aluminum, stainless steel, and copper—strictly following ISO quality management systems throughout the entire production process.
What Is LCW’s Machining Tolerance Standard?
We provide standard machining tolerances compliant with ISO 2768-mK, achieving metal part precision up to ±0.001 mm.For aerospace and medical applications, our advanced multi-axis precision machining and inspection systems enable even tighter tolerances and full dimensional inspection reports to guarantee every part meets your design specifications.
How Long Does It Take to Receive My CNC Parts?
Lead times depend on part complexity, order volume, and process requirements. Typically:Prototype orders: 3–7 working days, Small and medium batch production: 1–3 weeksWe also offer expedited delivery services and parallel machining workflows to shorten production cycles further. After evaluating your design files, LCW will provide a transparent and accurate production timeline immediately.
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LCW Manufacturing
China
No. 1, Jinyuan 3rd Road, Xinqiao Third Industrial Zone, Shajing, Bao'an District, Shenzhen City, 518100
Contact
1-202-754-5941
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