CNC Machining Service

We offer high-precision CNC machining for complex metal and plastic parts.

  • Precision Tolerances: High machining accuracy up to ±0.005 mm
  • Wide Material Range: CNC machining for metals and engineering plastics
  • Fast Lead Time: Standard projects in 5 business days, simple parts in as fast as 1 day
  • Rapid Prototype
  • ISO 9001:2015
  • Low Volume & Mass Production
Materials

Material for Superior Results

  • Aluminum
    Aluminum is a lightweight, versatile metal widely used in CNC machining for structural and enclosure parts. It offers excellent machinability, good corrosion resistance, and a high strength-to-weight ratio suited for production and prototyping.
    Type
    Aluminum 6061 6061-T6 Aluminum 2024 Aluminum 5052 Aluminum 5083
  • Copper
    Copper is a versatile, high-conductivity metal widely used in CNC machining for electrical and thermal components. Its excellent ductility and corrosion resistance make it suitable for precision parts, fittings, and heat-transfer assemblies.
    Type
    Copper C110 (ETP) Copper C101 (OFE) Copper C102 (OFHC) Copper C145 (Tellurium Copper)
  • Brass
    Brass is a copper–zinc alloy prized for excellent machinability, conductivity, and corrosion resistance. It machines cleanly to tight tolerances and delivers an attractive finish for functional and aesthetic parts.
    Type
    C36000 C26000 C46400 C38500
  • Steel
    Steel is a versatile, high-strength metal widely used in CNC machining and manufacturing. Alloy selection and heat treatment let you tailor hardness, toughness, and machinability to part requirements.
    Type
    AISI 1018 AISI 1045 A36 4140 (Alloy Steel)
  • Stainless Steel
    Stainless steel is a corrosion-resistant alloy family used for structural, hygienic, and precision components in industrial manufacturing. Grades vary in strength, heat tolerance, and machinability—select grade and tooling to optimize CNC performance.
    Type
    304 316 303 17-4PH
  • Magnesium
    Magnesium is the lightest structural metal, offering an excellent strength-to-weight ratio and fast machinability for CNC and casting processes. Common magnesium alloys provide good thermal conductivity and vibration damping but require corrosion protection and careful chip handling.
    Type
    AZ31B AZ91D AM60B WE43
  • Titanium
    Titanium is a lightweight metal offering a superior strength-to-weight ratio and excellent corrosion resistance for demanding CNC-machined parts. It suits aerospace, medical, and industrial applications but requires optimized tooling and coolant control during machining.
    Type
    Grade 5 Grade 23 Grade 2 Grade 1
  • ABS
    ABS (Acrylonitrile Butadiene Styrene) is a versatile engineering thermoplastic offering excellent toughness, impact resistance, and good machinability for prototyping and production parts. It machines cleanly with sharp tooling, accepts paints and adhesives, and is commonly used for housings, trims, and consumer components, with moderate heat and UV limitations.
    Type
    Standard ABS High-impact ABS Flame-retardant ABS
  • PC
    Polycarbonate (PC) is an impact-resistant engineering thermoplastic with excellent optical clarity, used widely in molded and machined parts. It suits prototypes and production components where toughness, transparency, and dimensional stability are required.
    Type
    Standard PC Optical-Grade PC Flame-Retardant PC
  • PMMA (Acrylic)
    PMMA (acrylic) is a lightweight, rigid thermoplastic known for outstanding optical clarity and good weathering. It machines cleanly, polishes to a high gloss, and suits display, optical, and prototyping applications.
    Type
    Standard PMMA (Acrylic) Transparent PMMA UV-Resistant PMMA
  • POM
    POM (polyoxymethylene) is a high-performance engineering thermoplastic known for stiffness, low friction, and excellent dimensional stability for machined parts. It offers superior machinability and wear resistance for precision components used in industrial and consumer applications.
    Type
    Standard POM (Acetal) Glass-Filled POM Low-Friction POM
  • PA (Nylon)
    PA (Nylon) is a versatile engineering thermoplastic known for toughness, low friction, and excellent wear resistance. It suits CNC machining and injection molding for structural and bearing components but is hygroscopic, so plan for moisture-related dimensional changes.
    Type
    PA6 (Nylon 6) PA66 (Nylon 66) Glass-Filled PA
  • PEEK
    PEEK (polyether ether ketone) is a high-performance semicrystalline thermoplastic with exceptional mechanical, thermal, and chemical properties. It offers dimensional stability and low wear for precision CNC machining and demanding manufacturing applications.
    Type
    Unfilled PEEK Glass-Filled PEEK Carbon-Filled PEEK
  • PP
    PP (polypropylene) is a semi-crystalline thermoplastic widely used for CNC machining and injection molding. It combines low density, excellent chemical resistance, low moisture uptake, and good fatigue performance for cost-effective, high-volume parts.
    Type
    Homopolymer PP Copolymer PP Glass-Filled PP
  • PTFE (Teflon)
    PTFE (Teflon) is a high-performance fluoropolymer prized for ultra-low friction, wide temperature stability, and outstanding chemical resistance. It is commonly CNC-machined into seals, bearings, electrical insulators, and corrosion-resistant components; filled grades improve wear and dimensional stability.
    Type
    Virgin PTFE Carbon-Filled PTFE
Surface finish

Surface Finishing for Custom Parts

High Precision CNC Machining

Our CNC machining services focus on stable accuracy and controlled processes. We support metal and plastic parts with defined tolerance standards and reliable lead times for both prototype and production requirements.

  • Precision machining up to ±0.005 mm
  • General tolerances: ISO 2768-m (metals), ISO 2768-c (plastics)
  • Standard lead time: 5 business days
  • Simple parts: 1 day
  • Minimum wall thickness: 0.5 mm
Capabilities

Capabilities for CNC Machining

General Tolerances Metals: Conforming to ISO 2768-m standards;
Plastics: Conforming to ISO 2768-c standards.
Precision Tolerances RuoChen Precision can manufacture and inspect parts to your exact specifications, including Geometric Dimensioning and Tolerancing (GD&T) requirements. We are capable of achieving tolerances as tight as +/- 0.001 inches.
Minimum Wall Thickness 0.5mm – enabling intricate designs and lightweight structures without compromising strength.
Minimum End Mill Size 0.5mm – perfect for producing fine details in complex geometries.
Minimum Drill Size 1mm – ensuring precision hole-making for various applications.
Maximum Part Size CNC Milling: Up to 4000×1500×600 mm;
CNC Turning: Up to 200×500 mm
Minimum Part Size CNC Milling: As small as 5×5×5 mm;
CNC Turning: Down to 2×2 mm
Production Volume Prototyping: 1-100 pcs;
Low volume: 101-10,000 pcs;
High volume: Above 10,001 pcs.
Lead Time Standard Projects: 5 business days; Simple Parts: 1 day
process

How To Work With Us

From RFQ to delivery, we control tolerances, lead time, and quality. Share your drawings, and we'll confirm manufacturability, inspection, and finishing.

  • Initial Consultation

    Review drawings, materials, tolerances, and machining requirements.

    01
  • Proposal & Quote

    Confirm machining method, tolerance standards, and lead time.

    02
  • Prototype Approval

    Prototype machining and confirmation if required.

    03
  • Full-Scale Production

    CNC machining with controlled processes and inspection.

    04
  • Delivery & After-Sales

    Final inspection, packaging, and delivery according to confirmed lead time.

    05

Custom Now

FAQ

Frequently Asked Questions

Below are brief answers to common questions about our CNC machining capabilities, tolerances, lead times, materials, and finishing options.

What tolerances can you achieve?
General tolerances follow ISO 2768-m for metals and ISO 2768-c for plastics. High-precision features can reach ±0.005 mm.
What is the production cycle?
Standard projects take 5 business days. Simple parts can be completed in as fast as 1 day.
What materials are supported?
We machine a wide range of metal and plastic materials listed above.
Do you support surface finishing?
Yes. We support multiple surface finishing processes including anodizing, electroplating, powder coating, polishing, black oxide, bead blasting, degreasing, and heat treatment.
Services

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