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Full-Spectrum Manufacturing

Manufacturing Capabilities

From Swiss precision turning to 5-axis milling -- 600+ advanced production units, ±0.005mm tolerance control, and 80+ DFM engineers under one roof. Everything your project needs, from prototype to mass production.

600+
Production Units
±0.005mm
Tolerance
1-1M+
Piece Range
4hr
Quote Turnaround
Core Services

Machining
Services

Every major CNC process in-house -- no subcontracting, no delays, complete quality control from raw material to finished part.

01

CNC Milling

3, 4, and 5-axis multi-axis milling with 100+ units from Mazak and Brother. Complex geometries, tight tolerances, aluminum to titanium.

3-Axis 4-Axis 5-Axis 100+ Units
Tolerance
±0.005mm
General: ±0.01mm
Max Part Size
2000×1000mm
Travel range
Surface Finish
Ra 0.4μm
Mirror polish available
Equipment
Mazak / Brother
Premium Japanese brands
Lead Time
3-7 Days
Prototype turnaround
Volume
1-500K+
No MOQ restrictions
Ideal Applications
Housings & Enclosures Brackets & Fixtures Optical Mounts Aerospace Components Mold Tooling
02

Swiss Turning

350+ Swiss-type turning units from Citizen and Tsugami. Industry-leading capacity for micro-precision components and high-volume turned parts.

Ø0.5-32mm 350+ Units Citizen / Tsugami
Diameter Range
Ø0.5-32mm
Swiss-type capability
Tolerance
±0.005mm
Diameter tolerance
Roundness
0.002mm
Cylindricity control
Equipment
Citizen / Tsugami
Japanese precision
Surface Finish
Ra 0.2μm
High polish achievable
Volume Capacity
1M+/month
High-volume production
Ideal Applications
Surgical Instruments Lens Components Connector Pins Micro Shafts BMS Components
03

EDM

Wire and sinker EDM for hardened materials, intricate cavities, and features impossible by conventional cutting. Aerospace and tooling-grade precision.

Wire EDM Sinker EDM
Wire Tolerance
±0.003mm
Positional accuracy
Surface Finish
Ra 0.1μm
Mirror EDM finish
Hardness Range
Up to 70 HRC
Hardened tool steel
Min Slot Width
0.1mm
Wire EDM kerf
Max Workpiece
800×600mm
Wire EDM table
Materials
All Conductive
Steel, Ti, Inconel
Ideal Applications
Injection Mold Cavities Aerospace Turbine Parts Cutting Tools Intricate Profiles
04

3D Printing

Metal DMLS/SLM and industrial SLA/SLS for rapid prototyping and bridge production. Same engineering team handles your transition to CNC production.

DMLS/SLM SLA/SLS FDM
Metal 3D Printing (DMLS/SLM)
Layer Thickness 20-100μm
Accuracy ±0.1mm
Materials Ti, SS, Inconel, Al
Max Build 250×250×300mm
Polymer 3D Printing (SLA/SLS)
Layer Thickness 25-100μm
Accuracy ±0.05mm
Materials Nylon, Resin, PEEK
Lead Time 1-3 Days
05

Sheet Metal

Laser cutting, punching, bending, welding, and assembly. Aluminum, stainless, and mild steel from 0.5mm to 12mm thickness.

Thickness
0.5-12mm
Tolerance
±0.1mm
Laser Cutting CNC Bending Welding
06

Injection Molding

In-house mold design and manufacturing. Thermoplastics and engineering polymers for high-volume production runs with tight dimensional control.

Tolerance
±0.05mm
Shot Weight
Up to 2kg
Overmolding Insert Molding 2K Molding
Infrastructure

Equipment &
Capacity

$60M+ invested in premium Japanese and European machinery. Our equipment list is your competitive advantage.

Total Fleet
600+
Advanced production units across all manufacturing processes
CNC Machines
450+
High-end CNC units from Citizen, Tsugami, Mazak, and Brother
Swiss Turning
350+
Swiss-type turning centers for micro-precision components
Multi-Axis Milling
100+
3, 4, and 5-axis milling centers for complex geometries
Premium Equipment Brands
Citizen
Swiss Turning
Japan's leading Swiss-type CNC lathe manufacturer. Precision micro-machining specialists.
Tsugami
Swiss / Turning
High-precision Swiss-type automatic lathes for complex small parts manufacturing.
Mazak
Multi-Axis Milling
World-class machining centers for complex 5-axis and multi-tasking operations.
Brother
High-Speed Milling
Ultra-high-speed machining centers for aluminum and small part high-volume production.
Facility
50,000m²
Modern manufacturing facility in Greater Bay Area, China. Climate-controlled precision zones.
Engineering Team
80+
DFM engineers providing design optimization, feasibility analysis, and cost-saving recommendations.
Investment
$60M+
Total manufacturing asset investment ensuring financial stability and long-term partnership reliability.
In-House Advantage

Surface
Finishing

20+ in-house surface finishing options with self-owned anodizing and copper blackening lines. No outsourcing means zero delays, complete quality control, and faster delivery.

Self-Owned Finishing Lines
Unlike most CNC shops that outsource finishing, LOM operates its own anodizing and copper blackening lines -- giving you faster turnaround, tighter quality control, and single-source accountability.
In-house surface finishing facility at LOM Metal Machining
Available Finishes
Anodizing (Type II / Type III)
Aluminum corrosion protection. Type III (hard anodize) for wear resistance. In-house line.
In-House
Copper Blackening
Chemical conversion coating for copper and brass. Aesthetic and anti-tarnish. In-house line.
In-House
Passivation
Stainless steel corrosion resistance per ASTM A967. Medical and aerospace grade.
Powder Coating
Durable decorative and protective coating. Wide color range, excellent adhesion.
Bead Blasting
Uniform matte texture. Removes machining marks, prepares surface for anodizing.
Electroplating (Nickel, Chrome, Gold, Zinc)
Functional and decorative plating for conductivity, hardness, or corrosion resistance.
Electroless Nickel Plating (ENP)
Uniform coating on complex geometries. Excellent hardness and corrosion resistance.
Black Oxide
Low-cost corrosion protection for steel parts. Minimal dimensional change.
Polishing (Mechanical / Electrolytic)
Mirror finish Ra <0.1μm. Medical device and optical component standard.
+ 10 more finishing options available. Contact engineering team for custom requirements.
Material Expertise

Materials
We Machine

From aerospace aluminum to medical-grade titanium -- XRF material verification on every order ensures you get exactly what you specified.

Aluminum
Alloys
6061-T6 General purpose
7075-T6 Aerospace grade
2024 High strength
5052 Marine grade
Excellent machinability, lightweight, anodizable
Stainless Steel
Grades
304 Standard
316L Medical grade
17-4 PH Precipitation hardened
416 Free-machining
Corrosion resistant, medical & food safe
Specialty Metals
High Performance
Ti-6Al-4V Aerospace / Medical
Inconel 718 High temp
Brass C360 Connectors
Copper C110 Electrical
XRF verification on every order
Engineering Plastics
Polymers
PEEK High temp / Medical
POM (Delrin) Gears / Bearings
PTFE Chemical resistant
Ultem (PEI) Aerospace grade
PC, Nylon also available on request
Zero-Defect Philosophy

Quality
Assurance

Four-stage inspection protocol with full traceability from raw material to shipped part. Every order documented.

Inspection Flow
  1. IQC
    Incoming Quality Control
    XRF material verification, dimensional check of raw stock, certificate of conformance review before any machining begins.
  2. IPQC
    In-Process Quality Control
    First-article inspection at setup, statistical sampling during production runs, real-time CMM measurement for critical dimensions.
  3. FQC
    Final Quality Control
    100% visual inspection, dimensional verification against drawing, surface finish measurement, functional testing where applicable.
  4. OQC
    Outgoing Quality Control
    Pre-shipment audit, packaging inspection, full documentation package including COC, CMM reports, and material certs.
Inspection Equipment (20+ Tools)
CMM
Coordinate Measuring Machine -- 3D dimensional verification
XRF Analyzer
Material composition verification for every batch
Surface Profilometer
Ra/Rz surface roughness measurement
Optical Comparator
Profile and contour verification
Hardness Tester
Rockwell, Vickers, Brinell scales
Vision Measuring System
Non-contact 2D/3D measurement
Certifications
IATF 16949:2016
Automotive Quality Management System
ISO 13485:2016
Medical Device Quality Management System
ISO 9001:2015
Quality Management System -- General
ISO 14001:2015
Environmental Management System
PPAP Level 3 Support
Full production part approval process documentation available
Technical Reference

Tolerance
Capabilities

Reference guide for engineers specifying tolerances. Contact our DFM team for project-specific feasibility review.

Process Standard Tolerance Achievable Tolerance Surface Finish Ra Part Size Range Lead Time
CNC Milling
3 / 4 / 5-axis
 ±0.01mm ±0.005mm Ra 0.4-3.2μm Up to 2000×1000mm 3-7 days proto
Swiss Turning
Citizen / Tsugami
 ±0.01mm ±0.005mm Ra 0.2-1.6μm Ø0.5-32mm 5-10 days
Wire EDM
Precision cutting
 ±0.005mm ±0.003mm Ra 0.1-1.6μm Up to 800×600mm 5-10 days
Sinker EDM
Cavity machining
 ±0.01mm ±0.005mm Ra 0.1-3.2μm Up to 500×400mm 7-14 days
Metal 3D Print
DMLS / SLM
 ±0.2mm ±0.1mm Ra 4-12μm (as-built) Up to 250×250×300mm 3-7 days
Sheet Metal
Laser / Bending
 ±0.2mm ±0.1mm Ra 1.6-6.3μm 0.5-12mm thickness 5-10 days

Tolerances depend on material, geometry, and part size. Achievable tolerances require DFM review and may affect cost and lead time. Contact our engineering team for project-specific guidance.

Markets We Serve

Industries
Served

800+ clients across 7 major industries. Certified to the most demanding quality standards in each sector.

Optical & Camera

Camera lens assemblies, optical mounts, precision barrels. Core specialty with sub-micron surface finish capability.

Core Specialty

Automotive

BMS components, chassis parts, sensors. IATF 16949 certified with PPAP Level 3 documentation support.

IATF 16949

Medical Devices

Surgical instruments, implant components, diagnostic equipment. ISO 13485 certified with full material traceability.

ISO 13485

Aerospace & Defense

High-strength structural components, titanium and Inconel parts. Tight tolerances with full material certification.

Ti / Inconel

Robotics & Automation

Precision gears, robot joint housings, actuator components. High repeatability for automated assembly.

High Repeatability

5G / Telecom

RF components, heat sinks, antenna housings, filter cavities. Tight dimensional control for signal integrity.

RF Precision

Semiconductor

Wafer handling fixtures, test sockets, process equipment components. Ultra-clean machining with particle control.

Ultra-Clean

Electronics

Enclosures, heat spreaders, connector bodies, PCB fixtures. Fast turnaround for product development cycles.

Fast Turnaround
Start Your Project

Get Your
4-Hour
Engineering
Quote

Upload your files and our 80+ DFM engineers will review your design, identify cost-saving opportunities, and return a detailed quote -- typically within 4 business hours.

No MOQ restrictions -- 1 piece to 1M+
DFM review included at no cost
NDA available upon request
PPAP Level 3 documentation support
STEP, IGES, DWG, PDF accepted
Or Contact Directly
sales@lommetal.com
Greater Bay Area, China

No MOQ restrictions · NDA available · PPAP Level 3 support

WhatsApp Request a Quote