CN Precision - Professional Injection Molding & Mold Manufacturing
Plastic Injection Molding - CN Precision
Plastic Injection Molding Manufacturing
Mass Production Excellence

Plastic Injection Molding for Mass Production

Your precision manufacturing partner for long-term volume production. From 35T to 380T injection capacity, we deliver consistent quality for automotive, electronics, personal care, and industrial applications.

38 Injection Machines
35T – 380T Range
In-house Mold + Injection + Assembly

Three Critical Challenges in Mass Production

We understand what keeps procurement and engineering professionals up at night when scaling from prototypes to volume production

Small Batches Work, But Mass Production Fails

Many suppliers excel at sample runs and pilot batches, but lack the process control and equipment stability needed for consistent high-volume production. Quality variance increases dramatically when orders scale to thousands or millions of parts.

Production rejection rates spike to 5-15%

Low Quotes Hide Quality and Timeline Risks

Attractive initial pricing often masks inadequate quality systems, insufficient material verification, and no process capability studies. The real cost emerges through rejected shipments, rework delays, and damaged customer relationships.

Hidden costs can exceed 30% of quoted price

No Engineering Capability, Only Blueprint Execution

Factories without in-house engineering can only follow drawings blindly. When design issues surface during production—gate location problems, warpage, or assembly conflicts—they lack the capability to identify root causes or propose optimized solutions.

Adds 3-6 weeks to timeline per issue

Mass production isn't a machine problem—
it's a systems, process control, and engineering capability problem

Ready to partner with a manufacturer built for volume production?

Discuss Your Production Needs

Our Mass Production Solution Framework

We don't just run injection machines. We engineer repeatable manufacturing systems designed for volume stability from day one.

1

Molds Designed for Volume from the Start

Every mold is engineered with production lifecycle in mind. We optimize gate locations, cooling channels, and ejection systems for high-cycle repeatability—not just first-article approval. This prevents costly rework when scaling to volume.

Reduces tooling modifications by 70%
2

Standardized & Documented Process Parameters

We establish validated injection parameters during trial runs and lock them into our MES system. Temperature profiles, pressure curves, and cycle times become repeatable recipes that eliminate operator variability across shifts and machines.

Process capability (Cpk) consistently above 1.33
3

Integrated Engineering, QC, and Production Teams

Our tooling engineers, quality inspectors, and production technicians work as one system. When issues arise, engineering provides immediate root cause analysis. Quality validates fixes in real-time. Production implements solutions without waiting for external vendors.

Issue resolution time cut from days to hours

Want to see how our integrated approach works for your specific application?

Schedule a Technical Consultation
Production Scale

Our Injection Molding Capacity at a Glance

Comprehensive equipment range and technical capabilities engineered for long-term volume production across diverse industries

38
Injection Machines
Dedicated capacity across tonnage ranges
35T–380T
Tonnage Range
Covers small precision to large structural parts
2K + Overmolding
Multi-Material Capability
Hard-soft combinations and complex assemblies
IATF 16949
Certified Quality System
Automotive-grade process control standards
Single Color Molding
2K Dual-Shot Injection
Insert Molding
Long-Term Batch Orders

Need detailed specifications for your project requirements?

Request Technical Datasheet

Inside Our Dedicated Injection Molding Workshop

Professional production environment designed for process discipline, operator efficiency, and consistent quality control

CN Precision Injection Molding Workshop

Purpose-Built Injection Facility

Our 5,000㎡ dedicated injection workshop features climate control, organized material storage, and systematic machine layout—not a general-purpose factory converted for molding.

Numbered Machines & Process Documentation

Every injection machine has unique identification and assigned process parameters. Visual work instructions and quality checkpoints displayed at each station ensure operator consistency.

Production Flow, Not Workshop Clutter

Machines arranged by tonnage and project type with clear material flow paths. Raw materials, WIP, and finished goods have designated zones—preventing contamination and mix-ups.

Interested in a virtual factory tour or site visit?

Request Factory Tour
Plastic Injection Molding - Modules 6-10
Application Focus

Mass Production Applications We Excel At

Our engineering and production systems are optimized for these four core industries where volume stability and technical precision drive long-term success

Automotive Plastic Components

Interior trim, exterior body parts, functional housings, and assembly components meeting IATF 16949 standards for tier-1 and tier-2 automotive suppliers.

Dashboard Panels Door Handles Lamp Housings Clips & Brackets

Electronics & Home Appliance Parts

Precision enclosures, connector housings, structural frames, and functional components for consumer electronics and household appliance manufacturers.

Device Housings Power Tool Casings Connectors Internal Frames

Personal Care Plastic Products

Cosmetic packaging, dispensing mechanisms, and consumer-facing components requiring high aesthetic standards and consistent surface quality across large production runs.

Cosmetic Bottles Pump Dispensers Caps & Closures Beauty Tools

Industrial Functional Parts

Engineering-grade components for machinery, equipment systems, and industrial applications demanding dimensional stability and mechanical performance over long lifecycles.

Machine Guards Junction Boxes Mounting Brackets Protective Covers

Important Note on Medical Applications

Medical Field: We provide mold development and prototyping services for medical device manufacturers, but we do not conduct mass production of medical parts requiring ISO 13485 certification. This specialization ensures we maintain the highest standards in our core automotive, electronics, personal care, and industrial production capabilities.

Does your application align with our production expertise?

Discuss Your Application Requirements

Production Case Studies: Complexity Meets Volume

Representative examples demonstrating our capabilities across different part geometries, production volumes, and quality requirements—without disclosing confidential client information

Automotive Interior Trim Case Study
Automotive Interior

High-Gloss Dashboard Trim Panel

Multi-cavity tooling for Class-A surface finish automotive trim parts requiring zero visible gate marks and consistent color matching across 500,000+ annual production volume.

1+4 Cavity Mold
ABS High-Gloss
42-Second Cycle
Electronics Housing Case Study
Electronics Housing

Precision Connector Housing with Insert Molding

Tight-tolerance electronic component housing with brass insert molding, requiring ±0.05mm dimensional control and clean room assembly environment for volume production.

1+8 Cavity Mold
PA66-GF30
28-Second Cycle
2K Overmolding Case Study
2K Overmolding

Soft-Touch Power Tool Handle Assembly

Two-shot injection molding combining rigid structural base with TPE overmolded grip surface, eliminating secondary assembly operations for power tool manufacturer's global production.

2K Rotary Mold
PC + TPE
65-Second Cycle

Want to review case studies specific to your industry or application?

Request Industry-Specific Case Studies
Advanced Capability

2K Injection & Overmolding: Beyond Standard Single-Shot Production

Proprietary two-shot injection equipment and coordinated tooling engineering enable complex multi-material assemblies that traditional molders outsource or can't deliver at volume

In-House 2K Injection Equipment

We own dedicated two-shot injection molding machines with rotary platen systems, eliminating reliance on external vendors. This means faster iteration during development and guaranteed capacity for your volume orders.

No outsourcing delays or capacity conflicts

Coordinated Mold & Process Development

Our tooling engineers design the mold structure and injection sequences simultaneously. Material compatibility, bonding strength, and cycle time optimization happen before steel is cut—not after trial runs fail.

Reduces trial modifications by 60%

Proven Applications in Automotive & Electronics

We've successfully scaled 2K overmolding projects to full mass production for tier-1 automotive suppliers and consumer electronics brands, demonstrating both technical capability and production discipline.

Production volumes exceeding 200K annually

Typical 2K & Overmolding Applications We Produce

Hard-Soft Grip Combinations for Tools & Handles
Sealed Electronic Housings with Gasket Integration
Automotive Interior Soft-Touch Surfaces

Considering 2K overmolding to eliminate assembly operations?

Discuss 2K Technical Feasibility

Material Experience: Production-Validated, Not Just Datasheet Knowledge

We work with engineering plastics we've successfully run at volume—materials where we understand real-world processing behavior, not theoretical possibilities

General Purpose & Engineering Plastics

Commodity and engineering thermoplastics for high-volume applications requiring balanced mechanical properties, cost efficiency, and processing stability.

  • ABS (standard & high-impact grades)
  • PP (general purpose, glass-filled, flame retardant)
  • PC (optical, impact-modified, UV-stabilized)
  • PC/ABS blends
  • PA6/PA66 (nylon, with/without glass fiber)

High-Performance & Specialty Materials

Advanced materials for applications requiring superior mechanical properties, heat resistance, chemical resistance, or specific regulatory compliance.

  • POM (acetal, low-friction applications)
  • PBT (high-temp, glass-reinforced)
  • PPS (extreme heat & chemical resistance)
  • PEEK (aerospace & medical tooling)
  • PMMA (optical clarity applications)

Elastomers & Soft-Touch Materials

Thermoplastic elastomers and soft materials for overmolding, grip applications, and components requiring flexibility or cushioning properties.

  • TPE (thermoplastic elastomer)
  • TPU (thermoplastic polyurethane)
  • TPV (thermoplastic vulcanizate)
  • Silicone (for overmolding applications)
  • Various Shore A hardness grades (30A-90A)

How We Apply Material Selection to Ensure Production Success

Structural vs. Appearance Requirements

We differentiate between load-bearing structural components requiring reinforced engineering grades versus appearance parts demanding high-gloss surface finish and color consistency.

Environmental & Regulatory Compliance

Material recommendations consider end-use environment (UV exposure, chemical contact, temperature extremes) and regulatory requirements like RoHS, REACH, and UL certifications.

Volume Production Behavior Knowledge

We guide material selection based on what we've successfully run at high volumes—understanding drying requirements, mold temperature sensitivity, and batch-to-batch consistency issues.

Unsure which material is right for your application and production volume?

Get Material Selection Guidance

Quality Control Systems Designed for Mass Production Stability

We don't explain what ISO standards are—we show how our quality protocols prevent defects from reaching your assembly line or end customers

1

First Article Inspection & Process Validation

Every production run begins with dimensional verification against customer specifications before volume production starts. We lock validated parameters into our MES system to ensure repeatability.

  • CMM measurement for critical dimensions
  • Visual inspection against cosmetic standards
  • Material certification verification
  • Production approval before full release
2

In-Process Patrol Inspection

Trained QC inspectors conduct hourly patrols across production lines, sampling parts against control plans. Issues are flagged immediately—not at final inspection when hundreds of defective parts already exist.

  • Statistical sampling every hour
  • Real-time dimensional checks with gauges
  • Process parameter monitoring
  • Immediate corrective action authority
3

Final Inspection & Shipment Verification

Before packaging, all parts undergo final inspection including dimensional verification, cosmetic review, and functional testing where applicable. Only conforming products leave our facility.

  • 100% visual inspection (critical features)
  • Batch sampling with documented results
  • RoHS/REACH testing for regulated parts
  • Certificate of Conformance with shipment

Precision Measurement & Testing Equipment On-Site

CMM Coordinate Measuring Machine

High-precision 3D measurement for complex geometries and tight-tolerance verification down to ±0.01mm

Optical Profile Projector

2D measurement and contour inspection for small parts and fine features requiring visual magnification

RoHS/XRF Testing Equipment

Material composition analysis ensuring compliance with RoHS, REACH, and environmental regulations

Want to review our quality control plan for your specific project?

Request Quality Documentation
Plastic Injection Molding - Modules 11-15
Competitive Advantage

Why Integrated Mold + Injection Manufacturing Creates Unmatched Value

When tooling engineering and injection production operate under one roof with unified accountability, you eliminate the friction, delays, and finger-pointing that plague split-vendor relationships

Traditional Split Model

Separate Mold Maker + Injection Molder

  • Mold issues require shipping tooling back to external maker, adding 2-4 weeks per modification cycle
  • Injection molder blames mold design; mold maker blames process parameters—you're caught in the middle
  • Process optimization limited by injection molder's inability to modify tooling without external approval
  • Mold maintenance costs and lead times remain unpredictable throughout production lifecycle
Our Integrated Model

CN Precision: One Partner, Full Control

  • Mold adjustments happen within 24-48 hours—our tooling team walks to the injection floor for immediate feedback
  • Single-point accountability: we own both the tool performance and the production output quality
  • Process engineers and mold designers collaborate in real-time to optimize cycle time and part quality
  • Predictable maintenance schedules and rapid repairs minimize production downtime over product lifetime

Rapid Issue Resolution

Production problems requiring mold modifications are resolved in hours or days—not weeks of coordination between separate vendors.

Lower Total Cost of Ownership

Eliminate duplicate markup, shipping costs, and coordination overhead. Mold maintenance costs become internal operational expenses at our cost structure.

Lifecycle Performance Guarantee

We engineer molds for production longevity and maintain them throughout your product lifecycle—your success is directly tied to ours.

Ready to eliminate vendor coordination headaches?

Discuss Integrated Manufacturing Benefits

Who We're Built to Serve Best

Transparent partnership starts with honest alignment. We excel at serving specific customer profiles where our capabilities deliver maximum value

You're an Ideal Fit If Your Project Requires:

Sustained Volume Production

You need ongoing production runs of 10,000+ units annually, not one-time prototype batches or sporadic short runs.

Quality Over Rock-Bottom Price

Your priority is consistent quality, on-time delivery, and technical support—not finding the absolute cheapest quote that often hides hidden costs.

Long-Term Partnership Mindset

You're seeking a reliable manufacturing partner for ongoing collaboration across multiple projects and product generations, not transactional relationships.

We May Not Be the Right Fit If:

Prototype-only or extremely small batches: If you need fewer than 500-1,000 units total and don't anticipate volume production, rapid prototyping services may be more economical for your needs.
Price is the only decision factor: If your procurement process focuses exclusively on lowest initial quote regardless of quality systems, technical support, or delivery reliability, we're unlikely to be the cheapest option.
Extremely urgent emergency orders: While we prioritize responsiveness, projects requiring finished tooling and mass production in under 2-3 weeks may face challenges with our engineering-first approach that ensures long-term reliability.

Does this sound like a good match for your production needs?

Let's Discuss Project Fit

From Inquiry to Mass Production: A Clear, Predictable Path

We've streamlined our collaboration process to eliminate uncertainty. You'll know exactly what to expect at each stage, with defined milestones and clear communication protocols

1

Initial Inquiry & Technical Review

Submit your project requirements, technical drawings, and volume expectations. Our engineering team conducts preliminary DFM (Design for Manufacturability) review and provides feedback within 24 business hours.

24-Hour Response NDA Available
2

Detailed Evaluation & Quotation

We provide comprehensive quotation covering tooling investment, unit pricing at target volumes, lead times, and technical recommendations. Pricing includes clear breakdown of mold costs vs. production costs.

Detailed Quote DFM Report
3

Mold Design & Process Confirmation

Upon project approval, our mold design team creates detailed 3D tooling layouts and injection molding simulation. You review and approve design before steel cutting begins, ensuring alignment on expectations.

3D Mold Layout Customer Approval
4

Mold Manufacturing & Trial Run

Tooling fabrication proceeds with regular progress updates. Once completed, we conduct T1 trial shots, validate dimensions, optimize injection parameters, and ship sample parts for your approval before production release.

Weekly Updates Sample Approval
5

Mass Production & Ongoing Support

Production begins with locked-in process parameters. You receive regular shipment schedules, quality reports, and dedicated account management. Mold maintenance happens proactively to prevent disruptions throughout your product lifecycle.

Quality Reports Account Manager

Ready to start the conversation about your next project?

Begin Your Project Inquiry
Trust & Credentials

Certified Quality Systems & Long-Term Client Relationships

Our certifications aren't wall decorations—they reflect operational disciplines that ensure your projects receive consistent, professional execution from quote to delivery

ISO 9001:2015 Certified

International quality management standards ensuring documented processes, continuous improvement systems, and customer satisfaction focus across all operations.

IATF 16949:2016 Certified

Automotive industry quality management system certification, demonstrating capability to meet stringent automotive supplier requirements and process control standards.

Global Client Base

Serving manufacturers in North America, Europe, and Asia for over 15 years with proven track record in international project management and export compliance.

Long-Term Partnerships Speak Louder Than Testimonials

We measure success by client retention, not one-time transactions. Many of our automotive and electronics clients have been with us for 5+ years across multiple production programs.

15+
Years in Business
100+
Active Global Clients
5+
Average Partnership Duration

Ready to join our roster of long-term manufacturing partners?

Start Building Partnership
Let's Get Started

Get Your Mass Production Project Evaluated

Connect with our injection molding engineers to discuss your project requirements, volume expectations, and technical specifications. We'll provide honest feedback on feasibility, timelines, and how our integrated mold + injection capabilities can serve your production goals.

24-Hour Response Time
Free DFM Review
NDA Protection Available