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Hi-Key Precision
Machining Ltd.

Delivering high-precision CNC turning, milling, and 5-axis machining solutions since 2008. Trusted by global leaders in medical, semiconductor, sensor, and electronics industries.

Explore Products Our Capabilities

About Hi-Key Precision

Located in Dongguan, Guangdong, China, Hi-Key Precision Machining Ltd. has been a trusted provider of precision machined components since 2008. We specialize in delivering high-tolerance parts for industries where reliability and performance are non-negotiable.

Our mission is to serve every customer sincerely by adhering to a people-oriented, customer-first principle. We ensure full inspection of critical dimensions, competitive pricing, and fast delivery times—making us a reliable partner in precision manufacturing.

2008

Founded

15+ Years

Industry Experience

CNC Machining Facility

Our Core Principles

Quality First

Full inspection of critical dimensions ensures every part meets exact specifications.

Fast Turnaround

Rapid prototyping and production cycles ensure you get your parts on time, every time.

Competitive Price

Optimized processes and lean manufacturing keep costs low without sacrificing quality.

Our Capabilities

From CNC turning and milling to 3D printing and complex 5-axis machining, we offer a full suite of precision manufacturing services.

CNC Turning

High-speed, precision turning for complex geometries in metals and plastics. Ideal for shafts, pins, and rotational components.

CNC Milling

Multi-axis milling for intricate parts with tight tolerances. Suitable for enclosures, housings, and sensor bases.

5-Axis Machining

Advanced 5-axis CNC for complex, high-precision components used in aerospace, medical, and semiconductor applications.

Turn-Mill Compound

Integrated turning and milling operations for reduced setup time and improved accuracy.

3D Printing

Rapid prototyping using advanced materials for functional testing and design validation.

Inspection & QA

Comprehensive inspection using CMM, optical comparators, and surface finish testers to ensure quality.

Industries We Serve

Medical

Precision components for surgical tools, diagnostics, and implants.

Semiconductors

High-purity parts for wafer handling, sensors, and vacuum systems.

Electronics

Enclosures, heatsinks, connectors, and structural components.

Green Energy

Parts for solar, wind, and energy storage systems.

Our Products

High-precision machined parts across metals, plastics, and specialty materials.

Aluminum Sensor Enclosure

Aluminum Sensor Enclosure

CNC-milled, anodized aluminum housing for laser sensors. High thermal conductivity and EMI shielding.

Material: Aluminum

Process: CNC Milling, Anodization

Application: Sensor Housing

Brass Plunger Seal

Brass Plunger Seal Parts

Precision turned brass components with tight tolerances for sealing applications.

Material: Brass

Process: CNC Turning

Application: Fluid Control Systems

Kovar Sensor Housing

Kovar Sensor Housing

4-axis milled Kovar housing with heat treatment for thermal stability in sensor modules.

Material: Kovar

Process: 4-Axis Milling, Heat Treatment

Application: Sensor Base

Stainless Steel Rotor

Stainless Steel 316 Rotor

CNC-turned rotor for high-corrosion environments. Ideal for medical and chemical applications.

Material: Stainless Steel 316

Process: CNC Turning, Milling

Application: Medical Devices

POM Plastic Milling Part

POM Plastic Milling Part

Drilled and tapped POM component for low-friction mechanical systems.

Material: POM (Acetal)

Process: CNC Milling, Drilling & Tapping

Application: Bearings, Gears

Aluminum Heat Sink

Aluminum Heat Sink

CNC-machined electronic housing with heatsink fins for thermal management.

Material: Aluminum

Process: CNC Machine Center

Application: Electronics Cooling

Tungsten Copper Housing

Tungsten Copper Housing

Laser sensor housing with high thermal conductivity and low CTE.

Material: Tungsten Copper (CW75)

Process: Milling, Grinding

Application: Laser Systems

PEEK Wear Washer

PEEK Wear Washer

High-performance plastic turned part with excellent wear resistance.

Material: PEEK

Process: CNC Turning

Application: Industrial Machinery

15+

Years in Business

500+

Global Clients

99.8%

Quality Pass Rate

72h

Avg. Turnaround

Frequently Asked Questions

What materials do you work with?

We machine aluminum, stainless steel (304, 316), brass, Kovar, Invar, titanium, POM, PEEK, nylon, PTFE, and fiberglass (FR-4).

What is your typical lead time?

Standard lead time is 7–14 days depending on complexity. Prototypes can be delivered in as little as 72 hours.

Do you offer surface treatments?

Yes, including anodization, nickel plating, sandblasting, polishing, and heat treatment.

What industries do you serve?

We support medical, semiconductor, electronics, transportation, communication, and green energy sectors.

Get in Touch

Ready to start your next precision machining project? Contact us today for a quote.

Phone: +86-769-82306309
Email: sales@hk-mpm.com
Address: Sanjiang Industrial Zone, Beihuan Road, Hengli Town, Dongguan, China 523460

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