Custom Manufacturing
& Thermal Solutions
Custom Manufacturing & Thermal Solutions
- ISO 9001:2015
- ISO 13485:2016
- AS9100D
- IATF 16949:2016
- ITAR
- CMMC Level 2
- JCP
Our Core Services
CNC Machining
- 3-axis, 4-axis, 5-axis, Swiss CNC, EDM & Wire EDM
- Tolerances to ±0.005mm — no MOQ, 1 piece prototype welcome
- FAI reports, COC, and material certificates on every order
3D Printing
- SLA, SLS, MJF, FDM, PolyJet, DMLS & Metal 3D Printing
- Appearance, functional, and engineering validation prototypes
- Fast turnaround — bridge to CNC or production tooling
Injection Molding
- Insert molding, overmolding, 2-shot & LSR molding available
- Medical-grade PEEK and FDA-compliant silicone on request
- MOQ from 50 pcs — mold design and DFM analysis included
Aluminum Extrusion
- 6061-T5/T6 and 6063-T5/T6 — custom profile dies available
- Secondary CNC machining, drilling & tapping in-house
- Anodize (clear, black, hard coat) and powder coat finishing
Sheet Metal Fabrication
- Laser cutting, metal stamping, welding & bending in-house
- Aluminum, stainless steel, carbon steel, and brass
- Complete assemblies — welded, fastened, and finished
Die Casting
- Aluminum A380/ADC12, Zinc Zamak 3/5, Magnesium AZ91D
- Sand casting, investment casting & gravity casting options
- Post-machining, deburring, surface treatment in-house
Thermal Solutions & Cooling Systems
Heat sinks, cold plates, FSW, and brazing — engineered for EV batteries, IGBT modules, fiber laser systems, and power electronics.
Heat Sink Solutions
Skived fin, extruded, bonded fin, and folded fin in aluminum and copper.
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Liquid Cold Plates
CNC-machined, FSW or brazed. 100% leak tested. EV, IGBT, fiber laser.
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Friction Stir Welding
Leak-free enclosures — no porosity, no distortion, hermetic seal.
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Brazing Solutions
Vacuum-brazed heat sinks with complex fin geometry for aerospace and defense.
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EV Battery Cooling
Cold plates and cooling manifolds for EV packs and energy storage systems.
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Fiber Laser Cooling
Precision cold plates for high-power fiber laser pump diode arrays.
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Industries We Serve
We serve automotive, medical, EV, power electronics, fiber laser, and industrial equipment manufacturers across the U.S. and globally.
Materials We Work With
Aluminum, Steel, Copper & Brass
CNC machining, extrusion, die casting, and sheet metal. Full material certs and surface finishing available.
PEEK, PC, Nylon, ABS & More
From commodity ABS to high-performance PEEK for medical and aerospace — injection molding and CNC machining.
Silicone, EPDM, FKM & TPU
Custom seals, gaskets, and overmold parts — medical-grade to industrial-grade rubber and silicone.
Aluminum, Copper, Graphite & TIM
High thermal conductivity materials for heat sink and cold plate manufacturing — skiving, CNC, and FSW processes.
Why Choose LK Tools
U.S. office support. China factory pricing. 30–50% cost savings without compromising on quality or documentation.
Dallas, Texas — Office & Warehouse
Our Dallas office handles U.S. customer communication, local inventory, and domestic shipping. No overseas delays, no timezone barriers. Manufactured cost-effectively in China, supported locally in Texas.
All customs, duties, and door-to-door delivery handled. No hidden fees.
3D print → DFM → CNC or tooling → production. One contract.
ISO 9001-certified China manufacturing — 30–50% lower cost than U.S. or European suppliers.
Non-disclosure agreement available before sharing any drawings or proprietary data.
Factory & Quality Standards
How We Work With You
Upload Your Drawing
Send your CAD file (STEP, DWG, DXF, PDF). No drawing yet? Our engineers can help from concept.
DFM Review & Quote
Within 24 hours: a DFM review, material recommendations, and a detailed quote.
Prototype & First Article
Prototype manufactured, FAI completed, COC sent — all before production starts.
Production & DDP Delivery
Full production with in-process QC. DDP to your U.S. door — duties paid, customs cleared.
