China's Precision Manufacturing Partner

Premier CNC Machining
Services in China
for Global Industries

ISO 9001 Certified · 3-Day Prototyping · On-Demand Manufacturing from 1 to 10,000+ parts.

ISO 9001 · IATF 16949

±0.005mm Tolerance

600+ CNC Units

800+ Global Clients

Get Instant Quote View Capabilities

Get a 4-Hour Quote

No MOQ · NDA Available · DFM Review Included

Response < 4 hrs · 800+ clients served

Our Products

Precision
Machining Services

Two decades of manufacturing excellence -- delivering ±0.005mm precision from prototype to full-scale production.

CNC Milling

3-Axis 4-Axis 5-Axis

CNC Milling Service

From complex 3-axis profiles to demanding 5-axis simultaneous cuts, our 100+ milling units deliver tight-tolerance parts across aluminum, stainless steel, titanium, and engineering plastics. Backed by 80+ DFM engineers, we optimize your design for machinability -- reducing cost without compromising precision.

Tolerance capability down to ±0.005mm
100+ units -- Mazak, Brother, and Fanuc-controlled centers
Prototypes to 1,000,000+ volume production runs
Industries: Aerospace, Medical, Robotics, Optical, Automotive

Get a Milling Quote

CNC Turning

Swiss-Type Ø0.5-32mm

CNC Turning Service

With 350+ Swiss-type turning units from Citizen and Tsugami, we specialize in high-volume, micro-precision turned components down to Ø0.5mm. Ideal for medical, optical, and electronic applications demanding extreme dimensional consistency, our turning department handles everything from simple shafts to complex multi-feature parts in a single setup.

Diameter range: Ø0.5mm - 32mm
350+ Swiss-type units -- Citizen, Tsugami precision lathes
Ideal for medical, optical and micro-precision components
ISO 13485 & IATF 16949 compliant production processes

Get a Turning Quote

Standard Tier

Standard
Machining

General-purpose CNC parts for structural, enclosure, and non-critical applications.

Linear Tolerance ±0.05 mm
Angular Tolerance ±0.5 °
Hole Diameter ±0.05 mm
Surface Roughness Ra 3.2 μm
Thread Tolerance 6H / 6g
ISO Fit Class IT9 - IT11

Enclosures Brackets Structural Parts Fixtures

Precision Tier

Precision
Machining

Mission-critical components for medical, aerospace, optical, and high-performance applications.

Linear Tolerance ±0.005 mm
Angular Tolerance ±0.05 °
Hole Diameter ±0.005 mm
Surface Roughness Ra 0.4 μm
Thread Tolerance 4H / 4g
ISO Fit Class IT4 - IT6

Medical Devices Optical Aerospace Robotics

Not sure which tier fits your design? Our DFM engineers will advise -- free of charge.

Upload your files and receive a detailed engineering quote with tolerance feasibility review within 4 business hours.

Get a Free Quote

Materials

Precision
Materials

From aerospace-grade metals to high-performance engineering plastics -- we machine the material your application demands.

Aluminum 6061-T6

The most widely used aluminum alloy in precision machining. Excellent strength-to-weight ratio, superior corrosion resistance, and outstanding machinability make it the go-to choice for structural, enclosure, and general-purpose components across automotive, robotics, and electronics industries.

Tensile Strength 310 MPa
Density 2.70 g/cm³
Hardness 95 HB
Machinability Excellent

Anodizing Powder Coat Bead Blast

PEEK high-performance polymer precision machined medical components

Medical Grade

Engineering Plastic

PEEK

Polyether ether ketone -- the gold standard high-performance thermoplastic for demanding applications. Combines exceptional mechanical strength, chemical resistance, and biocompatibility with continuous service temperatures up to 250°C. Widely used in medical implants, aerospace brackets, and semiconductor fixtures as a metal replacement.

Tensile Strength 100 MPa
Max Service Temp 250°C
Density 1.32 g/cm³
Biocompatibility ISO 10993

Medical Devices Aerospace Semiconductor

In-House Capabilities

Surface
Finishing

20+ in-house finishing options -- self-owned anodizing and copper blackening lines eliminate outsourcing delays and ensure complete quality traceability on every order.

Anodized aluminum CNC parts showing Type II and Type III hard coat finishes

Anodizing

Self-owned Type II and Type III hard anodizing lines for aluminum alloys. Delivers superior corrosion resistance, wear hardness up to 70 HRC equivalent, and precise dimensional control -- with in-house color dyeing in clear, black, red, blue, and custom shades.

Type II Type III Hard Coat Color Dyeing

Passivated stainless steel medical and aerospace components

Passivation

ASTM A967 and AMS 2700 compliant passivation for stainless steel and titanium components. Removes free iron and forms a protective chromium oxide layer -- essential for medical-grade 316L and aerospace 17-4 PH applications requiring maximum corrosion resistance.

ASTM A967 AMS 2700 Medical Grade

Powder coated precision machined parts with uniform matte and gloss finishes

Powder Coating

Electrostatic powder coating for aluminum, steel, and stainless steel parts requiring durable decorative and protective finishes. Available in RAL/Pantone color matching with matte, satin, and gloss textures -- ideal for enclosures, housings, and structural components.

RAL Matching Matte / Gloss All Metals

Bead blasted CNC machined aluminum parts with uniform matte satin surface texture

Bead Blasting

Glass bead and aluminum oxide blasting produces uniform matte or satin surface textures that eliminate machining marks and tool lines. Commonly used as a standalone finish or as pre-treatment before anodizing -- delivering consistent Ra values across high-volume production runs.

Glass Bead Al₂O₃ Blast Pre-Anodize

Black oxide copper blackened precision components for optical and electronics applications

Copper Blackening

Proprietary self-owned copper blackening line produces deep matte-black oxide surfaces on copper and brass components. Zero dimensional change -- critical for optical assemblies, camera modules, and electronic connectors where stray light suppression and tight tolerances must coexist.

Self-Owned Line Optical Grade Zero Dim. Change

Electroplated nickel and zinc precision machined parts with bright metallic finish

Electroplating

Nickel, zinc, chrome, and gold electroplating for enhanced conductivity, wear resistance, and corrosion protection. Widely used in automotive connectors, electronic contacts, and defense hardware -- with full RoHS compliance and PPAP Level 3 documentation available.

Nickel / Zinc RoHS Compliant PPAP L3

The Right Finish, Applied In-House -- Every Time

From Type II/III hard anodizing and copper blackening to bead blasting, powder coating, passivation, and beyond -- our self-owned finishing lines deliver 20+ surface treatment options with zero outsourcing delays. Consistent quality, controlled in-house, every order.

Request a Quote Explore All Finishes

How We Work

From Concept to
Mass Production

Our transparent 12-step workflow integrates engineering support and an 8-stage QC system into every project -- ensuring a 99.8% production yield rate.

LOM Metal Machining workshop -- CNC machining floor with 600+ production units in the Greater Bay Area facility

Our Facility

50,000+ m²
Modern Manufacturing

Greater Bay Area, China · 600+ CNC units
Mazak · Citizen · Tsugami · Brother

1-Hour Free DFM

Engineering feedback on every file

12-Step QC Pipeline

IQC → IPQC → FQC → OQC traceability

99.8% Yield Rate

Across 100,000+ completed projects

01

Step 01

DFM Review & Quote

Step 01

DFM Review & Quote

Upload CAD files (STEP/IGES/DWG). Get 1-hour DFM feedback and a precise quote in <24 hours. Our 80+ engineers optimize your design for cost-efficiency before a single chip is cut.

STEP / IGES DFM Analysis <24hr Quote
02

Step 02

Material Verification

Step 02

Material Verification

Quality starts at the source. All incoming raw materials undergo strict IQC via XRF analyzers to verify chemical composition and RoHS compliance before entering our warehouse.

XRF Analysis RoHS Compliant Material Certs
03

Step 03

CNC Machining & IPQC

Step 03

CNC Machining & IPQC

Dispatched to our fleet of 600+ CNCs with strict In-Process Quality Control (IPQC). From FAI to regular sampling, critical tolerances are held to ±0.005mm.

±0.005mm FAI 600+ CNCs
04

Step 04

In-House Finishing

Step 04

In-House Finishing

Self-owned anodizing and plating lines eliminate outsourcing delays. Type II/III anodizing, powder coating, and passivation -- all evaluated via 48H salt spray tests.

Anodizing Passivation 48H Salt Spray
05

Step 05

CMM Inspection & Shipping

Step 05

CMM Inspection & Shipping

Final QC via Hexagon CMM and optical projectors. Secure-packed in custom blister boxes with full inspection reports (CMM, material certs). Global delivery in 3-7 days.

Hexagon CMM Full Reports 3-7 Day Delivery

LOM Metal Machining CNC workshop floor -- rows of precision Swiss-type turning and milling centres operating in the 50,000 m² Greater Bay Area facility

Inside Our Facility

600+ CNC Units.
One Roof. Zero Compromise.

Mazak · Citizen · Tsugami · Brother -- our $60M+ investment in premium equipment means tighter tolerances, faster cycles, and consistent output at any volume.

Proof of Quality

See Our Quality
Documentation
First-Hand

Download a real sample First Article Inspection (FAI) Report and CMM Measurement Report -- the same documentation package we deliver with every production order.

FAI Report

PPAP Level 3 format

CMM Report

Hexagon measurement data

Get Instant Access

Enter your work email to download the sample report package. No spam -- ever.

Industries We Serve

Precision Parts
Across Every Sector

From medical-grade micro components to aerospace structural parts -- our certified manufacturing processes meet the strictest industry standards worldwide.

Precision optical and camera components machined by LOM

Core Specialty

Optical & Camera

Sub-micron precision lens mounts, camera housings, and optical assemblies. Swiss-type turning for Ø0.5mm-32mm components with Ra 0.4 surface finishes.

IATF 16949

Automotive

IATF 16949:2016 certified production for BMS housings, chassis components, and precision sensors. PPAP Level 3 documentation and full APQP support.

Medical device components including surgical instruments and implant parts

ISO 13485

Medical Devices

ISO 13485 compliant machining of surgical instruments, implant components, and diagnostic equipment from 316L stainless steel, titanium Ti-6Al-4V, and PEEK.

Aerospace and defense high-strength precision machined components

Aerospace & Defense

High-strength structural components from Inconel, titanium, and 7075-T6 aluminum. 5-axis milling and EDM for complex geometries with full material traceability.

Robotics and automation precision gears, housings and actuator components

Robotics & Automation

Precision gears, actuator housings, and end-effector components for industrial robots. Tight tolerance repeatability across high-volume production runs.

5G / Telecom

Aluminum heat sinks, RF filter housings, and antenna brackets with anodized finishes. Rapid prototyping to mass production for next-generation network infrastructure.

Semiconductor

Wafer handling fixtures, probe card components, and test sockets from PEEK, aluminum, and stainless steel. Cleanroom-compatible surface finishes available.

Electronics

Precision enclosures, heat spreaders, and connector housings for consumer and industrial electronics. Type II/III anodizing and powder coating in-house.

Product Gallery

Parts We've Delivered

View Full Gallery

Precision CNC milled aluminum optical housing

Optical Housing · Al 6061

Swiss turned medical stainless steel micro components

Micro Components · SS 316L

5-axis milled titanium aerospace bracket

Aerospace Bracket · Ti-6Al-4V

Anodized aluminum automotive BMS housing

BMS Housing · Al 7075 Anodized

Precision PEEK medical surgical instrument handle

Surgical Handle · PEEK

Connector Pins · Brass

Robotics precision gear set aluminum alloy

Precision Gears · Al 6061

Heat Sink · Al 6063

Semiconductor wafer handling fixture stainless steel

Wafer Fixture · SS 304

Inconel turbine blade component high-temperature alloy

Turbine Component · Inconel 718

Camera lens barrel precision turned aluminum component

Lens Barrel · Al 6061 Black Anodized

Electronics enclosure powder coated sheet metal fabrication

Enclosure · Sheet Metal Powder Coat

100,000+ Projects Delivered

See the Full Range of
What We Machine

Browse our complete product gallery -- from micro medical components to large aerospace structures. Real parts, real precision, real results.

View Our Gallery Get a Quote

Client Reviews

Trusted by
800+ Clients

Real feedback from procurement managers, engineers, and founders who rely on LOM Metal Machining for precision parts worldwide.

5.0 100K+ Projects

"We've been sourcing precision automotive sensor housings from LOM for three years. Their IATF 16949 certification and CMM reporting gave our quality team full confidence. On-time delivery rate has been exceptional -- we've never had a production stoppage due to parts."

"The DFM feedback from LOM's engineers saved us from a costly design flaw before we even cut metal. Their team flagged a wall thickness issue on our titanium optical mount and suggested a geometry change that reduced machining time by 30%. Prototype was delivered in 4 days. Exceptional technical depth."

"We started with a 10-piece prototype order for our medical device housing. LOM scaled with us seamlessly to 50,000 units per quarter as we grew. Their ISO 13485 compliance and full material traceability were non-negotiable for our FDA submissions. They are truly a manufacturing partner, not just a vendor."

800+ verified clients

From 40+ countries worldwide

View More Reviews Get Your Free Quote

Get a Quote

Ready to Start?
Let's Talk About Your Project.

Upload your 2D/3D CAD files for a comprehensive DFM analysis and an accurate quote within 24 hours. No MOQ -- from single prototypes to full production runs.

Request a Free Quote

No MOQ · NDA Available · DFM Review Included · Response < 24 hrs

Full Name *

Work Email *

Company Name

Project Details

Upload CAD Files

Drop files here, or browse

3D CAD: STEP / IGES · 2D Drawings: PDF / DWG · Max 25MB per file

I agree to the privacy policy. LOM METAL guarantees 100% confidentiality of your intellectual property. We happily sign NDAs before reviewing any files.

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    <p class="text-neutral-500 font-light leading-relaxed max-w-xs mx-auto text-sm mb-6">Our engineering team will review your files and send a detailed quote with DFM feedback within <strong class="font-semibold text-neutral-950">24 hours</strong>. Check your inbox.</p>
    <div class="flex flex-wrap justify-center gap-4 text-xs text-neutral-400 font-light">
      <span class="flex items-center gap-1.5"><span class="w-1.5 h-1.5 bg-primary rounded-full inline-block"></span>NDA Available</span>
      <span class="flex items-center gap-1.5"><span class="w-1.5 h-1.5 bg-primary rounded-full inline-block"></span>No MOQ</span>
      <span class="flex items-center gap-1.5"><span class="w-1.5 h-1.5 bg-primary rounded-full inline-block"></span>800+ Clients Served</span>
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No MOQ restrictions · NDA available · PPAP Level 3 support

Common Questions

Answers for
International Buyers

Everything engineers and procurement managers need to know before sending their first RFQ.

01 Will my design and IP be completely protected?

Absolutely. We take Intellectual Property seriously. We happily sign strict NDAs before you share any files. All your data is stored on secure, encrypted servers and access is restricted to the engineering team assigned to your project only. Your designs never leave our controlled environment.

02 How fast can I expect to receive my quote?

For most CNC machining projects, our estimating team will provide an itemized quote along with basic DFM feedback within 24 hours. Complex multi-part assemblies or projects requiring special materials may take up to 48 hours. Our 80+ engineers work across time zones to ensure fast turnaround.

03 Do you ship directly to my country, and who handles customs?

Yes, we ship globally! For North American and European clients, we highly recommend our DDP (Delivered Duty Paid) service. We handle all freight, import customs, and duties -- parts are delivered directly to your dock like a local purchase.

🇺🇸 North America 🇪🇺 Europe 🌏 Asia-Pacific DDP Available

04 What file formats do you need for a quote?

For the fastest response, please provide 3D CAD files (STEP, STP, IGES) and 2D PDF drawings (for tolerances, threads, and surface finishes). We also accept DWG, DXF, and Solidworks/CATIA native files.

STEP / STP IGES / IGS PDF DWG / DXF

05 I only need a few prototypes -- do you have an MOQ?

No -- we have zero M.O.Q. requirements. Our facilities scale with you: from 1-off rapid prototypes (delivered in as fast as 3 days) to high-volume production runs of 100,000+ parts. The same engineering team supports you from NPI through mass production.

From 1 prototype to 1,000,000+ production parts -- same quality, same team.

Still have questions?

Our engineering team is ready to help. Email us directly or submit the form and we'll reach out within 24 hours.

800+

Global Clients

0 MOQ

No Minimum

24hr

Quote Speed

Real Projects

Featured
Case Studies

From complex prototypes to high-volume production -- explore how LOM Metal Machining solves real engineering challenges across industries.

View All Case Studies

Automotive

IATF 16949 Al 6061-T6 50K pcs/mo

Automotive Sensor Housing at Scale

A Tier-1 automotive supplier required high-volume precision sensor housings with ±0.01mm tolerance and full IATF 16949 traceability. LOM delivered 50,000 units per month with zero production stoppages over a 3-year partnership.

±0.01mm tolerance

99.8% on-time delivery

Full CMM reporting

Read Case Study

Medical

ISO 13485 SS 316L 10 → 50K pcs

Medical Device Housing: Prototype to Production

A medical device startup needed a manufacturing partner to scale from a 10-piece prototype to 50,000 units per quarter. LOM's ISO 13485 compliance, full material traceability, and PPAP Level 3 documentation supported the client's FDA submission process seamlessly.

10 → 50K pcs/quarter

FDA submission support

PPAP Level 3 docs

Read Case Study

Robotics

5-Axis CNC Ti-6Al-4V 4-day delivery

Titanium Optical Mount: DFM Saves 30% Cost

A robotics startup submitted a titanium optical mount with a critical wall thickness issue. LOM's DFM engineers identified the flaw, proposed a geometry change, and reduced machining time by 30%. The precision prototype was delivered in just 4 business days.

30% cost reduction

4-day prototype

DFM optimization

Read Case Study

100K+

Projects Completed

800+

Global Clients

40+

Countries

All Case Studies Get Your Free Quote

Your Manufacturing Partner

Ready to
Build
Real Parts?

From a single prototype to one million units -- our 80+ DFM engineers are ready to review your design and return a detailed quote within 4 business hours. No MOQ. No delays. Real precision.

ISO 9001 · IATF 16949

ISO 13485 Certified

No MOQ Restrictions

Request a Free Quote Browse Case Studies

Quote Speed

4hr

Engineering quote with DFM review from 80+ engineers

Tolerance

±0.005mm

CMM-verified precision on every production order

Why LOM?

600+ Production Units

Including 450+ CNC from Mazak, Citizen & Tsugami
In-House Surface Finishing

20+ options including self-owned anodizing lines
1 to 1,000,000+ Pieces

Seamless scale from NPI prototyping to mass production
End-to-End Logistics

10+ years international shipping with customs clearance

Talk to an Engineer

sales@lommetalcnc.com

Greater Bay Area, China

50,000+ sqm Facility

Premier CNC Machining Services in China for Global Industries

Precision Machining Services

CNC Milling Service

CNC Turning Service

StandardMachining

PrecisionMachining

Precision Materials

Aluminum 6061-T6

Aluminum 7075-T6

Stainless Steel 304

Stainless Steel 316L

Titanium Ti-6Al-4V

Inconel 718

Brass C360

Copper C110

PEEK

POM (Delrin)

PTFE (Teflon)

Polycarbonate (PC)

Nylon (PA66)

Ultem (PEI)

Surface Finishing

Anodizing

Passivation

Powder Coating

Bead Blasting

Copper Blackening

Electroplating

From Concept to Mass Production

DFM Review & Quote

DFM Review & Quote

Material Verification

Material Verification

CNC Machining & IPQC

CNC Machining & IPQC

In-House Finishing

In-House Finishing

CMM Inspection & Shipping

CMM Inspection & Shipping

See Our Quality Documentation First-Hand

Precision Parts Across Every Sector

Optical & Camera

Automotive

Medical Devices

Aerospace & Defense

Robotics & Automation

5G / Telecom

Semiconductor

Electronics

Parts We've Delivered

See the Full Range of What We Machine

Trusted by 800+ Clients

Ready to Start? Let's Talk About Your Project.

Request a Free Quote

Answers for International Buyers

Featured Case Studies

Automotive Sensor Housing at Scale

Medical Device Housing: Prototype to Production

Titanium Optical Mount: DFM Saves 30% Cost

Ready to Build Real Parts?

Premier CNC Machining
Services in China
for Global Industries

Precision
Machining Services

Standard
Machining

Precision
Machining

Precision
Materials

Surface
Finishing

From Concept to
Mass Production

See Our Quality
Documentation
First-Hand

Precision Parts
Across Every Sector

See the Full Range of
What We Machine

Trusted by
800+ Clients

Ready to Start?
Let's Talk About Your Project.

Answers for
International Buyers

Featured
Case Studies

Ready to
Build
Real Parts?