One Stop For Your Prototyping And Low-Volume Manufacturing Needs
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All uploads are secure and confidential.
LK Tools is your direct factory partner since 2009, offers custom solutions with 15+ engineers and AI-driven design optimization to reduce design risks by 30% and save 15–30% on manufacturing costs. Our 10,000㎡ ISO-certified facility supports 75+ materials and 55+ processes, including CNC machining, injection molding, and die casting. With a robust ERP/SCM system, we ensure reliable, efficient, and on-time delivery, with new products delivered in 7–10 days
80+ CNC machines, 1M+ sq. ft. production space, and 130,000+ monthly parts output to accelerate your product launch with ±0.005mm precision, 7–10 day prototyping, and 100% quality assurance.
15+ engineers with AI-powered DFM review your drawings early—reducing part cost and risk by 45%+
Aluminum, zinc, and magnesium die casting with ±0.05mm tolerance — ISO 9001 & IATF 16949 certified
From rapid prototyping in 7 days to mass production of 4.4M+ parts/month, all with ISO/IATF certified quality.
anodizing, plating, coating, and more, all based on your design specs
100% traceability, real-time SPC, ISO/IATF certifications — trusted by 150+ brands
Our portable spectrometers analyze raw materials with 99% accuracy, checking tensile strength (up to 500 MPa), hardness (up to 350 HB), and corrosion resistance (1-5 scale) to ensure quality and reduce risks
The part was inspected using a CMM with ±0.001mm precision. All critical dimensions and features were measured, and the part met specifications, passing inspection
Raw materials are tested with our universal testing machine, measuring mechanical properties like tensile strength and yield strength with ±0.5% accuracy, ensuring they meet our design requirements
Roughness comparison blocks with Ra values from 0.1 to 6.3 µm verify that raw materials meet surface smoothness, jamming resistance, and scratch resistance, ensuring a ±0.05mm tolerance.
nspectors use Vernier calipers (accuracy: 0.02mm) and thickness gauges (precision: 0.01mm) to ensure materials meet our procurement standards for dimensions and tolerances, ensuring consistency and quality
Customized packaging is inspected for defects, ensuring 100% of 1,000+ industrial valves are securely packed and arrive in perfect condition
Trusted by engineers, product managers, and purchasing leaders at the world's most successful companies and universities
We are factory direct sales, from consumers to stores to wholesalers to agents to general distributors to factory merchants, choose us to save a lot of intermediate links, to bring you the maximum profit margin!
With 20 years in the business and over 50,000 successful projects, we’re known for delivering precise parts with tolerances as tight as ±0.01mm. We focus on making the process simple and cost-effective for you, providing fast samples (3-7 days) and quick production, all while ensuring top-quality results tailored to your needs.
150+ Industries – Automotive, Medical, Aerospace, Robotics, Industrial Equipment, Electronics & More
Precision parts for critical aerospace applications, including turbine blades and structural components.
Custom engine and transmission parts, machined to ±0.01mm tolerance, ensure reliability, efficiency, and durability for optimal automotive performance
Accurate machining for medical devices, from surgical instruments to implantable components.
Specialized parts for robotic systems, providing the precision and reliability required for advanced automation.
We offer custom UAV and drone parts, machined to ±0.01mm tolerance, ensuring durability and top performance.
Custom industrial machinery parts, precision-machined to ±0.01mm tolerance, ensuring durability and reliable performance in harsh environments.
At LK Tools, we provide 35+ custom CNC machining solutions for metal and plastic parts with ±0.005mm precision. We help you save up to 20% on manufacturing costs, offering quick turnaround—7-10 days for prototypes and 15-20 days for production runs.
Why Choose LK Tools?
Industries We Serve: Automotive, Aerospace, Medical Devices, Electronics, Industrial Machinery.
Get the precision, speed, and cost efficiency you need with LK Tools.
Yes, we provide CNC machining samples. The CNC milling sample fee typically ranges from $50 to $200, depending on the product geometry. The fee will be refunded when you place a bulk order of 100 pieces or more
Standard practice. We’ve executed 387 NDAs this year covering 58 jurisdictions. All employees undergo annual IP protection training
First 3 design iterations are free within 30 days. Our engineers provide DFM optimization videos showing simulated stress distribution
✓ 20-30% cost reduction through material optimization and process streamlining.
✓ 30%+ risk mitigation via stress simulations and industry standards (API/ASME).
✓ 24-hour DFM report with actionable steps to cut machining time and material waste.
Free sample analysis for orders under $50.
Yes. Our intelligent production scheduling allows multi-batch delivery with synchronized inventory tracking. Last month we completed 17 phased shipments for NASA contractor parts
Our cross-material database offers 82 alternative materials with DFM comparison reports. Recently saved a client 63% cost by switching from Titanium to PH stainless steel
Factory-wide Class III security zones with:
• Biometric access control
• Encrypted file transfer (AES-256)
• Automatic digital watermarking
• Secure cloud backup
Our micro-arc oxidation (MAO) reaches 1,200 hours neutral salt spray test (ASTM B117), forming 50-300μm ceramic coating on aluminum alloys
① Full-dimension CMM report
② 30x sample photos
③ Statistical process control (SPC) charts
④ Material traceability codes
If you don’t have a drawing, you can send us a physical sample, and we will reverse engineer it or offer a better design solution. We can also help with part simplification or design 3D model for manufacturability (DFM) to reduce complexity and manufacturing costs.
Yes, our engineering team can assist with product design, material selection, and process optimization to ensure manufacturability, cost-efficiency, and reduced risks.
Yes, we can accommodate urgent delivery requests. We have the flexibility to adjust production schedules and expedite both production and shipping. Depending on your needs, we can prioritize your order to ensure delivery within 1-2 weeks, or even within 3-7 days for urgent sample shipments. Just let us know your required delivery date, and we’ll do everything we can to meet it.
We offer flexible shipping options, including:
Our standard payment terms are 50% deposit with the order and 50% before shipment. We accept PayPal for smaller orders (up to $5,000) and T/T (bank transfer) for larger orders. Please contact us if you need alternative payment methods.
We offer a variety of surface finishes, including:
We ensure product quality through:
Smart Product Classification: Redesign components to qualify for duty-free HTS codes (e.g., 8537.10 for valve parts).
Regional Value Optimization: Ensure >55% North American value content under USMCA for tariff exemptions.
Duty Recovery Programs: File Chapter 19 U.S. Customs refund claims for materials re-exported after processing.
Full transparency from mill to machine.
Batch Certification: Scanned MTRs (Mill Test Reports) attached to every order.
XRF Gun Verification: Cross-check alloy composition on delivery.
Material Sourcing: Opt for Conflict-Free titanium, or recycled 6061 aluminum (CN/US/EU origins).
Relax. We’ve delivered 14,500+ CNC projects for Fortune 500 engineers and startups alike.
-100% Refund Promise: No fine print – if we fail, you don’t pay.
-Dedicated Engineer: One point of contact from quote to delivery
We have rich project experience and can tailor a solution for your project based on your needs, providing excellent quality at a low cost.
Looking for a reliable source factory to cut out middlemen and save costs? We specialize in custom metal and plastic parts for all types of non-standard equipment, offering precision machining, flexible customization, and expert production.
Get free custom processing for samples under $50, plus a DFM report to help you optimize your design and save up to 30% on costs and risks. Receive your quote and product analysis within 30 minutes, and get your samples in just 3-5 days!
Sales@lkchinamfg.com
+8615814499188
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