CN Precision - Professional Injection Molding & Mold Manufacturing
CNC Machining Services - CN Precision Manufacturing
CNC Machining in Progress

CNC Machining for Mold Components & Industrial Precision Parts

Mold-grade precision meets production-ready reliability. Advanced CNC capabilities engineered for injection mold tooling, automotive components, and high-tolerance industrial parts.

Mold-Grade CNC Precision
Prototype to Production
Automotive & Industrial Focus
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Critical Challenges We Solve

International buyers face recurring issues with CNC machining suppliers. We've built our service specifically to eliminate these frustrations.

Inconsistent Precision on Complex Geometries

Standard CNC shops struggle with tight-tolerance mold components. Dimensional drift leads to assembly failures and costly rework cycles that delay your production schedule.

Mold-Grade Equipment

High Mold Part Rework & Assembly Mismatch

Mold components that don't fit together waste weeks in iteration. Poor tolerance stacking understanding creates cascade failures across multi-component assemblies.

Engineering-First Approach

Unpredictable Lead Times with Multi-Process Jobs

Outsourcing EDM, grinding, and heat treatment to separate vendors creates coordination nightmares. You lose visibility and control over critical delivery milestones.

Integrated Processes

Communication Gaps on Engineering Requirements

Suppliers who don't understand GD&T, material selection for mold life, or surface finish requirements force you to over-specify every detail, slowing projects.

Technical Expertise

Small Batch Orders Get Declined or Deprioritized

Most CNC shops chase high-volume work, leaving your prototype runs and pilot production orders stuck in endless queues or outright rejected.

Flexible MOQ

Lack of Quality Documentation & Traceability

Without proper inspection reports, material certifications, or process tracking, you can't validate part quality or trace issues back to root causes.

Full Documentation

Ready to eliminate these production headaches?

Discuss Your CNC Requirements

Why We're Not Your Typical CNC Job Shop

We've specialized in supporting injection mold builders and precision manufacturers for over a decade. Our CNC operation exists to serve long-term partnerships, not transactional orders.

Mold-Grade CNC Experience

15+ years machining cores, cavities, slides, and ejector systems means we understand mold life cycles, venting requirements, and parting line criticality.

Integrated with Injection Molding Projects

Your CNC components are matched with our in-house mold-making and injection molding, creating seamless project coordination from design to mass production.

Engineering-Driven Tolerance Planning

We review assembly logic, tolerance stacks, and thermal expansion before cutting metal—preventing fit issues and reducing prototype iteration cycles.

Partnership Over Transactions

We invest in understanding your product roadmap and supply chain goals—your success determines our long-term relationship, not single-order margins.

Partner with a CNC machining provider who understands your bigger picture

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Comprehensive CNC Machining Capabilities

From mold tooling to functional industrial components, our multi-axis CNC operations handle complex parts with repeatable precision.

Mold Components CNC Machining

Mold Components & Tooling

Precision machining of cores, cavities, inserts, slides, and ejector systems for injection molds. Materials include hardened tool steels with surface finishes down to Ra 0.2μm.

Complex 3D contours with 5-axis capability
Tight tolerances: ±0.005mm achievable
EDM and wire-cut integration available
Precision Metal Structural Parts

Precision Metal Structural Parts

High-accuracy structural components for assembly-critical applications. We machine aluminum, steel, and exotic alloys for automotive, electronics, and industrial equipment.

Multi-material processing in single setup
Surface treatments coordinated in-house
CMM inspection reports included
Industrial Functional Components

Industrial Functional Components

Production-ready parts for plastic product assemblies, consumer electronics housings, and automotive interior/exterior systems requiring mechanical performance.

Prototype to low/medium volume production
Thread milling, tapping, and precision boring
Coordinated with injection molding projects
Injection Molding Project Support Parts

Injection Molding Project Support Parts

Metal inserts, reinforcement brackets, fastening components, and assembly hardware that integrate seamlessly with plastic injection-molded products.

Thermal expansion matched to plastic parts
Synchronized delivery with mold trials
Design for manufacturing (DFM) feedback
Custom Fixtures and Jigs

Custom Fixtures & Production Jigs

Application-specific tooling, work-holding fixtures, inspection gauges, and assembly jigs designed to improve your manufacturing efficiency and quality control.

Quick-turn prototypes for testing
Repeatability-focused design optimization
Material and hardness specification support
Replacement and Spare Parts

Replacement & Spare Parts On-Demand

Emergency replacement parts for worn mold components, broken fixtures, or discontinued industrial equipment—reverse-engineered if original drawings unavailable.

Expedited processing for production downtime
3D scanning for reverse engineering
Material upgrade recommendations available

Need a specific machining capability not listed here? Let's discuss your requirements.

Get Technical Consultation

Materials & CNC Processing Expertise

Our multi-process CNC shop handles diverse material families and machining techniques—from tool steel hardening to high-speed aluminum profiling—with quality validation at every step.

Materials We Machine

Tool Steels

P20, H13, S136, SKD61, NAK80 for mold applications with hardness up to 52-54 HRC after heat treatment.

Aluminum Alloys

6061, 7075, 5052 for lightweight structural parts, fixtures, and prototype mold frames.

Stainless Steel

304, 316, 420 for corrosion-resistant components and food-contact applications.

Carbon Steels

1045, S45C for cost-effective structural components and general-purpose parts.

Copper Alloys

Brass, bronze, beryllium copper for electrical contacts and thermal management.

Exotic Alloys

Titanium, Inconel on request for aerospace, medical, and extreme-environment applications.

CNC Processing Types

CNC Milling (3/4/5-Axis)

Multi-axis contouring for complex mold geometries, pockets, and freeform surfaces with simultaneous 5-axis capability.

CNC Turning & Lathe Work

Precision cylindrical parts, shafts, pins, and rotational components with live tooling options.

High-Speed Machining

Rapid material removal with fine surface finish for aluminum and soft materials—ideal for prototypes.

Precision Contour Machining

Complex 3D profiles for cores and cavities with automated tool path optimization.

EDM & Wire EDM

Electrical discharge machining for hardened materials, deep ribs, and intricate mold details.

Grinding & Surface Finishing

Surface grinding, cylindrical grinding, and polishing to achieve mirror finishes and dimensional precision.

Working with a specialty material or unique process requirement?

Request Material Feasibility Review
CNC Machining Services Modules 6-10

Advanced CNC Equipment Fleet

Mold-grade precision requires industrial-grade equipment. Our multi-axis CNC centers and complementary processes deliver the accuracy and surface finishes your projects demand.

High-Precision CNC Machining Center

High-Precision CNC Machining Centers

Multi-axis vertical and horizontal machining centers from FANUC and leading Taiwanese manufacturers deliver repeatable accuracy for complex mold geometries and structural components.

3/4/5-axis simultaneous machining
Positioning accuracy: ±0.003mm
Work envelope up to 1200×800×600mm
High-Speed CNC Equipment

High-Speed CNC Operations

Dedicated high-speed machining centers reduce cycle times for aluminum and soft materials while maintaining tight tolerances—critical for rapid prototyping and production ramp-up.

Spindle speeds up to 24,000 RPM
Rapid traverse rates: 60m/min
Surface finish down to Ra 0.4μm
EDM and Wire Cutting Equipment

EDM & Wire Cutting Integration

Electrical discharge machining handles hardened tool steels post-heat treatment, deep ribs, and complex cavities that conventional machining cannot reach—essential for high-performance molds.

Wire EDM for intricate profiles
Sinker EDM for cavity details
Automatic electrode library system
CNC Turning and Lathe Operations

CNC Turning & Multi-Process Capability

CNC lathes with live tooling eliminate setup changes for cylindrical parts—ejector pins, shafts, and rotating components machined complete in one operation for maximum concentricity.

Multi-axis turning centers
Live tooling for complex features
Sub-spindle for complete machining

Need specifications on our equipment capabilities for your specific application?

Request Equipment Capability Sheet

Precision Inspection & Quality Assurance

Advanced metrology equipment validates every critical dimension. From first article inspection through production runs, our quality systems ensure your parts meet specification every time.

CMM Inspection Equipment
±0.005mm
CMM Measurement Accuracy
100%
First Article Inspection
ISO 9001
Quality System Certified
IATF 16949
Automotive Standards

CMM 3D Coordinate Measurement

Mitutoyo coordinate measuring machines capture complex 3D geometries with micron-level accuracy, generating detailed inspection reports with GD&T callouts for every critical feature.

3D Geometry Verification GD&T Analysis PDF Reports

Optical Profile Projection

High-magnification optical comparators validate surface profiles, thread forms, and small feature dimensions with non-contact measurement—ideal for delicate parts and optical verification.

Surface Profile Thread Verification Edge Detection

Material & Surface Testing

Hardness testing, surface roughness measurement, and material composition verification ensure your parts meet mechanical property requirements and environmental compliance standards.

Hardness Testing Ra Measurement RoHS Compliance

Require specific inspection protocols or certification documentation?

Discuss Quality Requirements

Industries We Serve

Specialized CNC machining expertise across automotive, consumer electronics, industrial equipment, and personal care product manufacturing—delivering precision metal components that integrate seamlessly into your production ecosystem.

Automotive Components

Automotive Components

Precision mold components and structural parts for interior trim, dashboard assemblies, lighting systems, and exterior body panels. IATF 16949 certified for automotive supply chain requirements.

Consumer Electronics

Consumer Electronics

High-precision structural components, heat sinks, and mold tooling for smartphone housings, wearable devices, audio equipment, and small appliance enclosures with tight cosmetic standards.

Home Appliances

Home Appliances

Mold components and functional parts for kitchen appliances, vacuum cleaners, air purifiers, and small household products requiring durability and aesthetic surface finishes.

Personal Care Products

Personal Care Products

Cosmetic mold tooling and metal inserts for beauty devices, electric razors, hair styling tools, and personal grooming products with strict hygiene and finish requirements.

Industrial Equipment

Industrial Equipment

Precision components for power tools, pneumatic equipment, hydraulic systems, and industrial control devices requiring mechanical strength and dimensional stability.

Industrial Plastics Manufacturing

Industrial Plastics Manufacturing

Mold inserts, ejector systems, and metal reinforcement components for technical plastic products across construction, transportation, and material handling applications.

Packaging Systems

Packaging Systems

Mold components for caps, closures, containers, and specialty packaging requiring food-safe materials, tamper-evident features, and high-volume production reliability.

Custom OEM Projects

Custom OEM Projects

Application-specific machining solutions for product development companies, contract manufacturers, and OEMs requiring engineering collaboration and flexible production volumes.

Don't see your industry listed? We work across diverse manufacturing sectors.

Discuss Your Application

Project-Based CNC: Integrated with Your Complete Manufacturing Cycle

Our CNC machining isn't an isolated service—it's synchronized with mold design, injection molding, and assembly processes. This integration eliminates communication gaps and accelerates your time to market.

Engineering Participates from Design Phase

Our CNC engineers review your mold design and part drawings before fabrication begins. Early identification of machining challenges, tolerance stack-up issues, and assembly constraints prevents costly rework iterations and accelerates project completion.

Machining Strategy Aligns with Assembly Logic

We don't just follow drawings—we understand how CNC components fit into your larger assembly. Datum references, mating surfaces, and tolerance priorities are planned considering downstream molding and assembly operations for optimal fit and function.

Rapid Response to Trial Results

When mold trials reveal dimensional adjustments or design modifications, our in-house CNC capability responds immediately. Same-facility coordination means modifications are completed in days, not weeks, keeping your project on schedule.

Integrated Manufacturing Flow

1

Mold Design Review

CNC engineers participate in early design discussions

2

Simultaneous Machining

CNC components produced parallel to mold base fabrication

3

Coordinated Assembly

Metal parts integrated during mold assembly process

4

Trial & Iteration

Immediate CNC adjustments based on trial results

5

Production Support

Spare parts and replacement components available

Experience seamless project coordination across mold-making, CNC, and injection molding

Explore Integrated Solutions

Our CNC Machining Process

Transparent, engineering-driven workflow from drawing review to final delivery. Every step is designed to minimize risk, maximize quality, and keep you informed throughout production.

1

Drawing & Specification Review

Technical evaluation of your drawings, materials, and tolerances to identify potential manufacturing challenges before machining begins.

GD&T interpretation verification
Material confirmation
Tolerance feasibility analysis
2

Engineering Assessment & DFM

Our engineers propose machining strategies, tool paths, and fixturing approaches—flagging any design-for-manufacturing concerns that could impact cost or quality.

Process planning review
Cost optimization suggestions
Lead time confirmation
3

Machining Plan Approval

Finalized machining strategy, material specifications, and delivery schedule confirmed with your team before production authorization.

Process documentation
Material procurement
Production scheduling
4

CNC Machining Execution

Precision machining on our CNC centers with in-process dimensional checks, tool monitoring, and operator verification at critical setup points.

First article inspection
In-process monitoring
Surface finish validation
5

Quality Inspection & Documentation

CMM verification of critical dimensions, material certifications, surface roughness measurement, and comprehensive inspection reports generated for your records.

CMM dimensional reports
Material certificates
Full traceability documentation
6

Packaging & Delivery

Protective packaging appropriate for part geometry and surface finish requirements, with secure shipping and delivery confirmation to your facility or assembly location.

Anti-corrosion protection
Secure crating & labeling
Logistics coordination

Ready to start your CNC machining project with a partner who understands your requirements?

Request Project Quote
CNC Machining Services Modules 11-13

Quality Systems & International Certifications

Third-party validated quality management systems ensure consistent performance and regulatory compliance. Our certifications provide the trust foundation international buyers require for long-term supply relationships.

ISO 9001

Quality Management System certification ensures consistent processes and continuous improvement.

IATF 16949

Automotive quality management standard for supplying tier-1 and OEM customers.

ISO 14001

Environmental management system demonstrating sustainable manufacturing practices.

RoHS Compliance

Material testing and certification for restricted hazardous substances.

Quality Control Workshop

Process Control Systems

Statistical process control and real-time monitoring prevent defects before they occur, reducing scrap and maintaining dimensional consistency across production runs.

SPC charting for critical dimensions
In-process inspection protocols
Operator training and qualification

Documentation & Traceability

Complete material traceability, inspection records, and process documentation provide full visibility into part production history for compliance audits and quality investigations.

Material certificates with heat numbers
First article inspection reports (FAIR)
Serialization and lot tracking capability

Continuous Improvement Culture

Regular process audits, corrective action systems, and employee involvement in quality improvements ensure we're always advancing our capabilities and reducing defect rates.

Monthly internal quality audits
8D problem-solving methodology
Employee suggestion programs

Supplier Quality Management

Material suppliers are qualified and regularly audited to ensure raw material quality meets our specifications—eliminating quality issues at the source.

Certified material suppliers only
Incoming material inspection
Supplier performance scorecards

Need specific quality documentation or certification copies for your records?

Request Certification Copies

Proven CNC Machining Success Stories

Real projects from our CNC workshop demonstrating the precision, problem-solving, and delivery reliability that international manufacturing partners depend on.

Automotive Mold Core Components Automotive

Automotive Dashboard Mold Core Assembly

Complex multi-cavity mold core with 14 precision-machined inserts requiring ±0.01mm positional tolerance across assembly. Integrated slide mechanisms and ejector systems.

Material H13 Tool Steel, 48-50 HRC
Tolerance ±0.01mm
Lead Time 6 weeks
Components 27 CNC parts
Project Outcome

First mold trial achieved 98% dimensional conformance. Zero rework required on CNC components. Customer launched production 3 weeks ahead of schedule.

Complex Curved Surface Machining Consumer Electronics

Smartphone Housing Mold with 3D Contours

High-gloss cosmetic surface mold requiring mirror-finish CNC machining followed by precision polishing. Curved geometry with multiple radii and Class A surface requirements.

Material S136 Stainless Steel
Surface Finish Ra 0.2μm
Machining 5-axis CNC
Cavity Count 1+1 family mold
Project Outcome

Achieved mirror finish directly from 5-axis machining, eliminating 40% of expected polishing time. Surface waviness within 0.005mm across entire profile.

Two-Shot Mold Components Personal Care

2K Overmolding Mold with Rotating Core

Two-shot injection mold featuring precision rotating core mechanism and interlocking cavity inserts. Required tight concentricity for proper material bonding interface.

Material P20 + SKD61 inserts
Concentricity ±0.015mm TIR
Rotation Precision 180° ±0.5°
Cycle Durability 500K+ shots
Project Outcome

Rotating mechanism achieved specified concentricity on first trial. Material interface bonding validated at 100%. Mold exceeded 800K cycles with minimal wear.

Precision Aluminum Structural Components Industrial Equipment

Aluminum Heat Sink Structural Brackets

High-precision aluminum brackets for LED thermal management system. Critical flatness and hole position tolerances for thermal interface and mounting accuracy.

Material 6061-T6 Aluminum
Flatness 0.02mm over 200mm
Volume 500 pieces/month
Surface Treatment Anodized Type II
Project Outcome

Achieved 99.6% yield rate across 6-month production run. Coordinated anodizing with certified supplier. Zero customer quality complaints on dimensional accuracy.

Emergency Replacement Mold Parts Home Appliances

Emergency Core Replacement - 5 Day Turnaround

Production-critical mold core failure during mass production. Reverse-engineered damaged component from 3D scan, machined replacement, and delivered in 5 days to minimize line downtime.

Challenge No original drawings
Solution 3D scanning + CAD
Delivery 5 days expedited
Material Upgrade H13 for longer life
Project Outcome

Replacement core installed and production resumed after only 7 days total downtime. Upgraded material extended component life by 60% vs. original part.

Custom Inspection Fixtures Quality Tooling

Custom Inspection Fixture for Complex Assembly

Precision checking fixture for multi-component plastic assembly with 23 inspection points. Designed for high-speed production line quality verification.

Material Aluminum 7075
Inspection Points 23 go/no-go checks
Tolerance ±0.02mm reference
Design Support Full DFM included
Project Outcome

Fixture reduced inspection time from 8 minutes to 45 seconds per assembly. Eliminated operator measurement error and improved defect detection by 35%.

Have a challenging CNC project? Let's discuss how we can deliver results for your application.

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Why Customers Choose Long-Term Partnership with Us

Beyond precision machining, we deliver the engineering insight, responsiveness, and supply chain reliability that turn one-time projects into enduring manufacturing partnerships.

More Than a Supplier—A Manufacturing Partner

Our CNC customers stay with us for years because we understand their business goals, not just their part specifications. We invest in your product success through proactive engineering support, predictable delivery, and genuine collaboration.

Engineering Team Collaboration

Engineering-First Mindset

We don't just quote parts—we review your designs for manufacturability, suggest cost improvements, and flag potential assembly issues before production starts.

Rapid Response Times

Technical questions get answered within hours, not days. Quote requests receive engineering review within 48 hours. Urgent modifications are fast-tracked immediately.

Integrated Mold & Production Support

CNC components coordinate seamlessly with our mold-making and injection molding services—single-point accountability from design through mass production.

Consistent Quality & Delivery

ISO-certified processes and predictable lead times mean you can plan production schedules with confidence—no last-minute surprises or quality firefighting.

Transparent Communication

Direct access to project engineers, production updates without chasing, and honest assessments when challenges arise—no information blackouts or broken promises.

Fair Pricing & Value Focus

Competitive pricing without hidden costs, and we proactively suggest design changes that reduce your part cost while maintaining quality and performance.

Long-Term Relationship Commitment

We're not chasing one-off orders—we invest in understanding your product roadmap, scaling capacity to match your growth, and supporting your evolving needs.

Proactive Problem Prevention

We identify potential issues before they become problems—catching tolerance conflicts, material concerns, or process risks during engineering review, not after production.

Ready to build a reliable CNC machining partnership that grows with your business?

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CNC Machining Services Modules 14-15

Is Our CNC Machining Right for Your Project?

We excel at serving specific customer types who value engineering collaboration, quality consistency, and integrated manufacturing support. Here's who benefits most from partnering with us.

Perfect Fit Customers

Our CNC machining delivers maximum value for these types of manufacturing partners:

Mold Makers & Injection Molders

Companies building injection molds or running molding operations who need precision metal components, mold cores, inserts, or supporting parts that integrate seamlessly with plastic products.

Product Development Companies

Engineering-focused organizations developing new products who require rapid prototype machining, design iteration support, and transition to production volumes.

Engineering-Driven Procurement Teams

Organizations where technical teams evaluate suppliers based on engineering capability, quality systems, and partnership potential—not just lowest price.

Long-Term Supply Chain Partners

Companies seeking stable, multi-year supplier relationships with capacity to scale, consistent quality delivery, and proactive communication throughout product life cycles.

Key Success Indicators

You have detailed technical drawings with GD&T callouts or can work with us to develop specifications
Your projects involve mold components, precision metal parts, or products requiring tight tolerances (±0.01-0.05mm typical)
You value engineering input during design and planning phases, not just order fulfillment
Quality documentation, material traceability, and inspection reports are important to your compliance or customer requirements
You're working with prototype quantities (1-50 pieces) through low/medium production volumes (up to several thousand per year)
Predictable lead times and consistent quality matter more than absolute lowest cost
You appreciate integrated capabilities—CNC combined with mold-making and injection molding under one roof
You're in automotive, electronics, appliances, personal care, industrial products, or similar manufacturing sectors

We May Not Be The Right Fit If...

You're seeking commodity parts with very loose tolerances, extremely high-volume production (100K+ pieces annually), simple 2D parts that don't require precision machining, or projects where absolute lowest price is the only decision factor. Our strength is precision, engineering support, and integrated manufacturing—not high-volume commodity production.

Does your project match our expertise? Let's explore how we can support your success.

Get in Touch with Our Team

Get Your CNC Machining Quote Today

Start with a technical evaluation and transparent quote. Share your project details and our engineering team will respond within 48 hours with a detailed assessment and pricing.

What Happens Next?

Our CNC engineering team reviews your drawings and requirements, and provides a comprehensive quote with lead time, material recommendations within 48 hours.

Drawing Review

Technical evaluation of specifications, tolerances, and manufacturability

Engineering Evaluation

Process planning, tooling requirements, and cost optimization suggestions

48-Hour Response

Detailed quote with pricing breakdown, lead time, and recommendations

Direct Engineering Contact

Follow-up discussion with technical team to address questions

Our Commitment to You

No obligation quotes. No pushy sales tactics. Just honest engineering assessment, transparent pricing, and genuine advice on whether we're the right manufacturing partner for your project.

Request CNC Machining Quote

Fill out the form below and our engineering team will get back to you within 48 hours.

By submitting this form, you agree to be contacted by our engineering team regarding your CNC machining inquiry. We respect your privacy and will not share your information.

Prefer to Reach Us Directly?

Email Us

peter@cnprecisionmfg.com

Send detailed project specs and drawings. We'll respond within 24 hours.

Call Us

+86 180 3802 4820

Speak directly with our CNC engineering team. Available Mon-Sat, 9AM-6PM CST.

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+86 180 3802 4820

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