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Your China CNC Machining Partner

Get it Right. Every Time. Precision CNC Milling, Turning & Prototyping – No MOQ, 24h Quotes, ISO9001 Certified.

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15+

Years of Expertise

10K+

Projects Delivered

350+

Global Customers

99.9%

Satisfaction Rate

About Kinsai

Dongguan Kinsai Machining Limited is a reputable CNC machining factory in China with over 15 years of experience. Starting from a single CNC machine, we've grown into a fully equipped ISO9001-certified facility delivering high-precision parts to clients across North America, Europe, and Asia.

We specialize in custom CNC machining services including milling, turning, precision grinding, EDM, and surface finishing. From prototypes to low-volume production, we offer one-stop manufacturing solutions with strict quality control and fast turnaround times.

  • ISO9001 Certified Quality Management
  • No Minimum Order Quantity (MOQ)
  • Quotes Delivered in 24 Hours
  • 3-5 Days Direct Shipping to USA/EU
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Kinsai Factory

Our CNC Services

From concept to completion, we offer a full range of precision CNC machining services tailored to your project needs.

Precision Machining

High-tolerance machining for complex metal and plastic components with tight tolerances down to ±0.005mm.

CNC Milling

3-axis, 4-axis, and 5-axis CNC milling for aluminum, steel, brass, titanium, and engineering plastics.

CNC Turning

High-speed CNC turning for shafts, fittings, connectors, and rotational parts with excellent surface finish.

CNC Prototype

Rapid prototyping with fast turnaround (7–10 days), ideal for design validation and testing.

Featured CNC Projects

Explore our latest custom CNC machined parts and components for diverse industries.

CNC Turned Aluminum Parts

CNC Turned Aluminum Parts

Precision CNC turning for lightweight, high-strength aluminum components used in automation and electronics.

Brass Fittings

CNC Machined Brass Fittings

Corrosion-resistant brass fittings with tight tolerances, ideal for fluid and gas systems.

Vape Enclosure

Custom Vape Box Mod Enclosure

Aluminum enclosures with anodized finish for premium vape devices, designed for durability and aesthetics.

Snus Can

Metal Snus Can Manufacturing

Custom CNC machined metal containers with tight seals and polished finishes for tobacco products.

Low Friction Rings

Low-Friction Precision Rings

Engineered rings with optimized surface finish for minimal wear in dynamic mechanical systems.

Aluminum CNC Milling

Aluminum CNC Milling Parts

Red anodized aluminum parts with complex geometries for electronics and industrial equipment.

Brass CNC Components

Custom Brass CNC Components

High-conductivity brass parts for electrical connectors, valves, and instrumentation.

CNC Enclosures

Custom CNC Enclosures

Precision-machined aluminum housings for medical, telecom, and consumer electronics.

Why Choose Kinsai?

We combine technical excellence, responsive service, and manufacturing optimization to deliver unmatched value.

Professional Expertise

With over 15 years in CNC machining, our team combines advanced equipment and strict QC to ensure your project is handled with precision and care.

High Quality Guarantee

We follow a zero-defect philosophy. Every raw material and finished part undergoes rigorous inspection by our dedicated QC team.

Optimized Solutions

We offer free manufacturing feasibility analysis, material & design advice, and cost-down process optimization to reduce your total cost.

Technical Sales Support

Our sales team has deep technical knowledge and fluent English. We understand your drawings, respond quickly, and deliver quotes within 24 hours.

Frequently Asked Questions

What materials do you work with?

We machine aluminum, stainless steel, brass, copper, titanium, iron, PEEK, acrylic, PETP, and other engineering plastics and metals.

Do you offer prototyping services?

Yes, we specialize in rapid CNC prototyping with turnaround times of 7–10 days. No MOQ and PayPal protection available.

What is your quality control process?

We are ISO9001 certified. Every part undergoes dimensional inspection, surface finish checks, and material verification before shipment.

How fast can you deliver?

Prototypes ship in 7–10 days. Low-volume production takes 15–20 days. We offer 3–5 day direct shipping to USA and EU.

Get in Touch

Ready to start your project? Contact us today for a fast quote and technical consultation.

RFQ@kinsaimachining.com
+86-769-33625916

Our technical sales team responds within 24 hours.

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