23+
Years of Experience
200+
CNC Machines
±0.01mm
Machining Tolerance
24h
Quote Response
What We Do
Machining Services
Six core in-house capabilities covering the full precision-manufacturing chain.
CNC Turning
High-precision lathe parts: shafts, nuts, studs, connectors and custom fasteners.
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CNC Milling
3/4/5-axis milling of aluminum, steel, titanium, brass and engineering plastics.
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5-Axis CNC Machining
Complex free-form parts for aerospace, medical and new-energy applications.
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Sheet Metal Fabrication
Laser cutting, bending, welding and forming for enclosures and chassis.
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Metal Stamping
Progressive and compound stamping of high-volume precision parts.
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Surface Treatments
Anodizing, powder coating, electroplating, painting, laser engraving and more.
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Featured Work
Featured Products
Representative CNC-machined parts delivered for real OEM projects.
Knurled Audio Knob (6063 Aluminum)
Anodized Aluminum Audio Panel
Laser-Engraved Earphone Case
Aluminum Mixer Enclosure
Robot Joint Structural Parts
Why Ruijin
Core Advantages
One-Stop OEM / ODM
CNC turning, milling, 5-axis, sheet metal and finishing in-house — one partner for the whole part.
Free DFM & Fast Prototyping
Free DFM review on your drawings, rapid prototyping and low-volume trial before mass production.
Certified Quality System
IATF16949, ISO 9001 and ISO 13485 with CMM and full inspection reports.
±0.01mm Precision, 24h Quote
Stable tolerance control on bulk orders and a quote back within 24 hours.
Trusted OEM Partner
Brands We Manufacture For
Precision parts supplied to leading automotive, consumer electronics, audio and robotics brands.
How To Order
Simple 6-Step Process
From your CAD file to your door — transparent and fast.
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01
Upload CAD File
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02
Quote & DFM Analysis
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03
Order Confirmation
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04
Start Production
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05
Quality Inspection
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06
Fast Shipping
Certified & Reliable
Quality & Certifications
IATF 16949
Automotive Quality System
ISO 9001
Quality Management
ISO 13485
Medical Device Quality
±0.01mm
Machining Tolerance
FAQ
Frequently Asked Questions
Quick answers about our CNC machining services, capabilities and ordering.
What CNC machining services does Ruijin CNC offer?
We provide CNC turning, CNC milling (3-axis and 4-axis), 5-axis CNC machining, sheet metal fabrication, metal stamping, and surface treatment including anodizing, plating and powder coating.
What tolerances can Ruijin CNC hold?
We hold tight tolerances down to ±0.01mm across turning, milling, 5-axis and stamping, supported by in-house CMM inspection and full dimensional reports.
What certifications does Ruijin CNC hold?
We are certified to IATF 16949, ISO 9001 and ISO 13485, supplying automotive, general industrial and medical device customers.
Which industries does Ruijin CNC serve?
We serve 3C electronics, automotive, audio and electroacoustic, drones and aerospace UAV, medical devices, robotics, precision fasteners and new-energy industries.
What is the minimum order quantity and quote lead time?
We accept prototypes from 1 piece with no strict MOQ, provide free DFM review, and return a quote within 24 hours of receiving your CAD drawing and requirements.
Get in Touch
Request a Quote
Tell us about your part and we'll reply with a DFM review within 24 hours.