Why Choose Our CNC Machining & Milling Services

Our CNC milling services leverage 17+ years of expertise in precision manufacturing, delivering complex geometries with ±0.005mm tolerances for industries ranging from aerospace to medical devices.

Quick-Turn CNC Machining Services

Chiheng's custom CNC milling and machining services deliver precision-machined parts with quick turnaround times. We can provide surface finishing, milling to desired depths, and creating narrow slots or holes and threads for connecting other parts.
Our CNC machining centers are equipped with 3/4/5-axis machines with a maximum workpiece size of 850mm x 500mm (X-axis x Y-axis). Combined with fixtures and vacuum chucks, it can perform various machining processes such as milling, drilling, boring, tapping, slotting, and grooving.

Our advanced CNC milling services combine cutting-edge technology with expert craftsmanship to deliver exceptional machined components. Utilizing multi-axis CNC milling centers, we transform your designs into high-precision parts that meet the most demanding specifications.

Why Choose Our CNC Milling Services:

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Superior Surface Finish Quality (up to Ra 0.2 μm)
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Multi-axis capabilities for complex geometries
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Precision tolerances up to ±0.005"
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Comprehensive in-process inspection protocols
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Material expertise spanning aluminum, stainless steel, titanium, plastics, and more
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Production capacity from prototypes to 10,000+ units
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Fast turnaround options - standard 10-day delivery
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Express 3-5 day service available for urgent projects

Available Equipments & Facilities

Equipment	Quantity	Brand	Max Part Size
3-Axis CNC	50	FANUC-A-D14MIA	1500 x 800MM
4-Axis CNC	10	-	D600 x L1200MM
CNC Lathe	35	Tsugami	D300 x L1200MM
Lathe-Mill Center	3	Tsugami	D300 x L1200MM
CNC Swiss Type Automatic Lathe	5	Tsugami	D30 x L500MM

Precision CNC milling service equipment1

Precision CNC milling service equipment2

Precision CNC milling service equipment3

CNC Machine Shop

Professional CNC machining service facility

Available Materials for CNC

Metal & Plastic for CNC Machining

Tailor your parts to perfection with Chiheng's diverse material selection. Our comprehensive material library offers over 50 options, allowing you to select the ideal material for your specific application. From wear-resistant plastics to high-strength metals, we have the versatility to create custom parts that meet your unique performance needs.

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Surface Treatment Options

Surface Finish

Enhance your parts with Chiheng's diverse surface finishing options. Our extensive range of over 10 finishes, including bead blasting, anodizing, chroming, and powder coating, allows you to tailor the appearance and performance of your components. Whether you need a corrosion-resistant finish, a visually appealing aesthetic, or a specific functional coating, we have the solution to meet your exact requirements.

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Chiheng cnc technological process

Comprehensive CNC Milling Capabilities

Create Prototypes

Our CNC milling capability excels in rapid prototyping, offering several advantages for quick product development. Its precision and speed allow for the creation of high-quality prototypes in a matter of hours or days, significantly reducing lead times. The process is highly flexible, enabling easy modifications to designs through simple G-code adjustments, which facilitates iterative testing and refinement. Our key benefits include:

High precision prototypes with complex shapes

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Versatility in materials, including metals, plastics, and composites
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No need for fixed tooling, reducing setup time and costs
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Ability to produce functional prototypes in final materials for testing
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Fast turnaround for multiple iterations, accelerating the design-to-production timeline

Multi-Axis CNC Milling Capabilities

3-axis machining is the most common and cost-effective for simpler parts, while 4-axis adds versatility for machining around cylindrical workpiece4. 5-axis machining offers the highest complexity, allowing for intricate shapes and reduced setup time for complex parts

Axis Type	Capabilities	Typical Applications
3-axis	Moves along X, Y, and Z axes	Simple parts, prototypes, 2.5D machining
4-axis	Adds rotational A-axis to 3-axis capabilities	Complex profiles, cylindrical parts, multi-sided machining
5-axis	Utilizes all three linear axes plus two rotary axes	Aerospace components, medical implants, complex geometries

Types of Milling Operations

Our CNC milling expertise covers:

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Complex pocket milling

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Precision contour machining

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Custom thread milling

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High-speed surfacing

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Micro-feature machining

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Deep cavity milling

Face Milling

Contour Milling

Slot Milling

Drilling

Boring

Pocket Milling

Ramp Milling

Circular Milling

Custom CNC Production - From Prototypes to High Volume

Chiheng's custom CNC machining services offer robust production capabilities beyond prototyping, catering to low-volume and high-volume manufacturing needs. These services provide flexibility in scaling production while maintaining precision and quality. Key production offerings include:

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Low-volume production for specialized parts or small batch runs
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High-volume production leveraging automation for increased efficiency
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Just-in-time manufacturing to reduce inventory costs
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Production of complex geometries with tight tolerances (down to ±0.005 mm)
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Multi-axis machining for intricate parts in a single setup
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Comprehensive quality control using advanced inspection equipment like CMMs

High Volume CNC Machining Services

With advanced CNC machining centers and 17 years of manufacturing expertise, we deliver precision-engineered components at scale. Our high-volume CNC machining capabilities are specifically optimized for mass production, efficiently handling annual volumes from 1,000 to 10,000+ units while maintaining exceptional quality standards.

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Advanced 5-axis simultaneous machining centers enabling complex geometries
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ISO 9001:2015 certified manufacturing processes
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24/7 lights-out production capability
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High precision of +/-0.005" tolerances
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Dedicated program management for your high-volume projects

To maximize efficiency in high-volume CNC machining, Chiheng employs several strategies:

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Optimized cutting parameters: Fine-tuning speed, feed rate, and depth of cut based on specific material properties and part requirements.
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Advanced machining strategies: Implementing high-speed and multi-axis machining to reduce cycle times and minimize setup changes.
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Specialized fixturing: Developing custom fixtures to hold multiple parts simultaneously, reducing setup time and increasing throughput.
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Tool life management: Utilizing tool wear prediction and automated tool changes to minimize downtime and maintain consistent quality.

Precision CNC Milling Project Ideas

Industry	Metal Components	Plastic Components
Aerospace	Engine parts, structural components	Lightweight interior panels, insulation
Automotive	Cylinder heads, drive axles, gearboxes	Dashboard components, trim pieces
Electronics	Motherboard components, heat sinks	Device housings, connectors
Medical	Surgical instruments, implants	Prosthetics, medical device casings
Consumer Goods	Surgical instruments, implants	Toys, sports equipment
Industrial	Machine parts, molds, tools	Prototypes, custom fixtures

Value-Added Services

Our value-added services enable manufacturers to receive fully functional, tested, and ready-to-use components, reducing in-house assembly time and improving overall product quality.

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Assembly services: Providers can assemble machined parts into higher-level components or finished products1, reducing the need for multiple suppliers and simplifying the supply chain.
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Mechanical and electrical testing: Comprehensive testing ensures assembled parts meet specifications and function correctly.
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Pressure testing: Critical for components that must withstand specific pressure levels.
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Leak testing: Ensures the integrity of sealed components or assemblies.
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Data matrix marking: Allows for part traceability and identification.
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Balancing: Essential for rotating components to reduce vibration and wear.
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Quality control: Rigorous inspection processes, including the use of coordinate measuring machines (CMMs), guarantee parts meet or exceed specifications.
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Performance testing: Verifies that assembled products function as intended under various conditions.
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Global shipping options with competitive rates.

Quality Assurance in CNC Milling Process

Quality control is a critical aspect of our CNC milling services, and we have implemented a robust quality management system to ensure that every part we produce meets or exceeds our clients' expectations. Our quality control process includes:

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Rigorous Inspection: We employ a comprehensive inspection process that includes visual checks, dimensional measurements, and, where necessary, specialized testing and analysis to verify the quality and accuracy of the finished parts.
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Statistical Process Control: We utilize statistical process control (SPC) techniques to monitor and analyze the CNC milling process, allowing us to identify and address any potential issues before they impact the final product.
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Continuous Improvement: We are constantly seeking ways to improve our CNC milling processes, leveraging feedback from our clients and implementing the latest industry best practices to enhance the quality and efficiency of our services.
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Certifications and Compliance: Our facility is ISO 9001 certified, and we adhere to strict quality standards and industry regulations to ensure that our CNC milled parts are compliant with the necessary requirements.

By prioritizing quality control at every stage of the CNC milling process, we are able to deliver consistently high-quality parts that meet or exceed our clients' expectations.

Quality control process

Chiheng quality control process

On-site quality control workflow

Chiheng on-site quality control flow chart

CNC machining Inspection Equipment

Chiheng quality control tools

Certifications

Chiheng iso 9001 certifications

FAQ Toggle

F.A.Q

What is your production timeline from design approval to delivery?

Prototype Phase:

○ 3-7 working days for sample production after drawing confirmation
○ 5-7 calendar days via global express shipping (DHL/FedEx)
○ Total fastest sample delivery: 8-14 calendar days

Full Order Production:

○ Air Freight: 3-7 days (critical aerospace/medical parts prioritized).
○ Sea Shipping: 15-30 days port-to-port (cost-optimized for bulk orders).
○ Custom lead time alignment available through our real-time production tracker.
Can I validate product quality before mass production?

Absolutely. Our sample policy ensures risk-free collaboration:

New Clients: Pay only material cost for prototypes (full refund upon bulk order placement)

Strategic Partners: Free samples for projects with:
• Signed NDA/IP protection agreement
• Annual commitment of 10,000+ units
• Repeat order history
All samples include a 3D inspection report (CMM data + surface roughness analysis).
How do you guarantee post-delivery quality?

Our 360° Quality Shield covers:

Pre-Shipment: 5-stage inspection (material certs → CNC accuracy → heat treatment → surface finish → functional test)
18-Month Warranty: Free re-machining or replacement for non-conformance.
24/7 Tech Support: Live video troubleshooting with senior engineers.
Return logistics and repair costs fully covered for verified defects.

CNC Milling Service

Milling Steel Parts

Milling Copper Parts

Milling Aluminum Parts

3-Axis CNC machining parts

4-Axis CNC machining parts

5-Axis CNC machining parts