You will receive the prototype within 6 days. Contact us today to get started: WhatsApp: +86 13717165942 LK@lkprototype.com
ISO 9001:2015 CERTIFIED PRECISION MANUFACTURER

Rapid Prototyping Expert —
Fast, Precise Prototypes
& Low-Volume Manufacturing

We possess comprehensive prototyping capabilities, including CNC machining, polyurethane vacuum casting, injection molding and 3D printing, sheet metal fabrication, grinding, painting, screen printing, and other surface treatments. Our engineered parts are sold globally, and we provide DFM feedback, meeting ISO 9001 quality standards.

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Get instant quote of your custom prototypes parts, or contact our team to discuss your production needs.

LK Prototype Precision Factory Mechanical Lab - CNC Milling & Mold Tooling Machine Room
COMPANY TOUR VIDEO

View our company and factory video

Learn how we can help you with prototypes and small to medium-volume production.

100+ Approved Aerospace Materials
±0.01mm Tight Tolerance Capacity
2 Hours Quotation Feedback Delivery
3-4 Days Worldwide Express Air Delivery
Our Prototype and Part Process

Comprehensive Prototyping Capabilities

At LK Prototype, we provide end-to-end manufacturing solutions to accelerate product development and bridge the gap between prototyping and production. Utilizing post-CNC milling, silicone injection, and sheet stampings—we configure everything in accordance with strict ISO 9001 specs.

Select Manufacturing Service

Precision CNC Machining

Highly customizable milling and turning with automated tooling heads. Excellent option for structural integrity, raw metal parts, and tight tolerances in aerospace and medical designs.

Dimensional Tolerance ±0.01 mm
Maximum Envelope Size 2000 x 1200 x 850 mm
Typical Lead Time 3-4 Days
Verified Standard Materials
Aluminum 6061-T6
Aluminum 7075-T6
Stainless Steel 304/316
Brass H59
POM (Acetal)
ABS (Impact Resistant)
PEEK (Industrial Medical)
Need precise post-processing like hard anodizing or localized powder coating?

Polyurethane Vacuum Casting

Utilizes high-quality CNC or 3D printed master patterns to produce silicone molds. Ideal for small batches of 20 to 100 prototype parts in polymers, duplicating final injection molding mechanical specs.

Dimensional Tolerance ±0.15 mm
Maximum Envelope Size 1200 x 800 x 600 mm
Typical Lead Time 5-7 Days
Verified Standard Materials
Polyurethane ABS-Like
Polyurethane Rubber (80A-90A)
Polyurethane PMMA-Like Clear
Silicone Elastomer
Exceptional surface finish reproduction and custom-color pigmenting available.

Rapid Injection Molding

Fast-tracked production-grade steel and aluminum tooling molds. Perfect for manufacturing volumes between 1,000 and 10,000+ certified end-use injection parts.

Dimensional Tolerance ±0.05 mm
Maximum Envelope Size 800 x 600 x 400 mm
Typical Lead Time 10-14 Days
Verified Standard Materials
ABS (Standard Polylac)
PC (Polycarbonate)
PP (Surgical Grade Polypropylene)
PA66-GF30 (Glass Filled Nylon)
TPE / TPU (Flexible Thermoplastic)
Supports complex side-actions, over-molding processes, and high finish grades.

Industrial 3D Printing

Employs industrial SLA (Stereolithography), SLS (Selective Laser Sintering), and DMLS (Direct Metal Laser Sintering) systems for intricate geometry setups without tooling overhead.

Dimensional Tolerance ±0.1 mm
Maximum Envelope Size 600 x 600 x 400 mm
Typical Lead Time 2-3 Days
Verified Standard Materials
SLA Epoxy Resin
SLS Solid Nylon (PA12)
SLA High-TEMP Resin
DMLS Stainless Steel / Titanium
Extremely complex hollow geometries and instant verification fixtures.

Sheet Metal Fabrication

Precision laser cutting, sheet bending, punching, welding and rivet assemblies. Perfect for durable aluminum and steel enclosures, brackets and hardware fittings.

Dimensional Tolerance ±0.2 mm
Maximum Envelope Size 3000 x 1500 x 600 mm
Typical Lead Time 4-5 Days
Verified Standard Materials
Cold-Rolled Steel
SECC (Steel, Electro-Galvanized)
Aluminum 5052-H32
Stainless Steel 304
Supports complete surface powdercoat arrays, screen painting, and press inserts.
Fast-Track Ordering Timeline

How To Cooperate with Us

We make the path from conceptual CAD blueprints to tactile, inspected global parts exceptionally swift and secure.

01

1. Submit CAD Blueprint

Upload your .STEP, .IGS, or .STL files. Our experienced engineers provide a comprehensive DFM (Design for Manufacturability) quote review within 2 hours.

02

2. Precision Prototyping

Our production floor schedules your fabrication, utilizing multi-axis CNC mills, tooling setup libraries, or vacuum ovens immediately.

03

3. Quality Control (CMM)

Every dimension matches your print exactly. Our QA lab conducts comprehensive coordinate measuring machine (CMM) audits under certified standards.

04

4. Express Air Logistics

Your finished parts are safely packed, foam-wrapped, and shipped worldwide via DHL, FedEx, or UPS air with instant transit tracking.

Aerospace & Medical Standards

Why Industry Leaders Trust LK

Our rigorous focus on material verification, mechanical tolerances, and ISO 9001 compliance guarantees that your custom hardware functions perfectly from build-one.

  • 100% Genuine Certified Metals & Polymers Chemical material sheets provided for every batch request.
  • Experienced DFM Engineering Supervision Every design blueprint audited to optimize manufacturing cost and cycle time.
  • Advanced Dimensional Metrology State-of-the-art CMM touch probing and optical scanners for meticulous testing.
★★★★★ VERIFIED CASE TESTIMONIAL

"The CNC structural brackets designed for our surgical robotic arm required strict ±0.01mm concentricity. LK Prototype met the specification on every single piece. Their engineering feedback saved us thousands in structural molds."

DH
Dr. Heinrich Mueller
Senior VP, Medical Hardware Systems, Munich
Tactile Physical Demonstrators

Precision Machining Showcase

Sample parts produced in-house under strict quality guidelines. We process diverse geometric requirements with superb surface quality.

CNC Machined Aerospace Bracket Sample Part
CNC Milling
Aerospace Structural Bracket

Aluminum 7075-T6 + Fine Bead-Blasted + Clear Anodized.

Cast Medical Grade Prototype Enclosure
Vacuum Casting
Medical Diagnostic Device Case

ABS-Like PU with chemical-resistant textured finish.

Optical Quality Clear PMMA Lens Machining
CNC Machining
Optical Clear PMMA Panel

Acrylic + diamond face milling for crystal clarity.

Complex Tooling Steel Mold Internals
Rapid Tooling
Injection Mold Assembly Cavity

H13 Tool Steel mold cores for SLA polymer batches.

Client Knowledge Base

Frequently Asked Questions

Get quick, direct answers regarding fabrication limits, files required, and standard payment configurations.

Get Started Now

Initiate Your Precise Build Today

Upload specifications or message our engineering core directly. Our logistics, production and quality supervision units verify your build request immediately.

Primary Corporate Mail LK@lkprototype.com
WhatsApp Engineering Line +86 13717165942

Direct RFQ / Engineering Request

Turning Ideas into Precision Prototypes & Parts

Want to convert your CAD design into a sample prototype or small-batch production? Upload your files and get a fast and accurate quote.

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Delivery in 7-10 days
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