CNC Precision Machining in China
We focus on precision machining components, implement strict tolerance control to ensure feature accuracy, and carry out quality inspections at every stage. We can provide precision-machined parts in a wide range of materials, including metals, acrylics, thermoplastics, and composite materials.
What Is Precision CNC Machining?
Precision CNC machining is the convergence of state-of-the-art machinery, controlled processes, and expert execution to achieve near-perfect part geometry. It is the enabling technology behind modern medical devices, aerospace innovation, and scientific instrumentation. It goes beyond standard machining by leveraging high-end equipment, meticulous processes, and stringent quality control to meet exacting specifications often measured in microns (µm).
At JADE-CNC, we utilize the most advanced manufacturing like CAD software to understand your detailed designs and CAM to process the CNC machining operation steps in the most efficient and cost-effective way.
Advantages Of Precision CNC Machining
Our precision machine shop can produce low and high volume production with custom CNC tooling.
Tight Tolerance
Machining tolerance as tight as +/- 0.005 in (0.127 mm)
Complex Shape
Machine complicated parts and features.
Consistent Production
Automated process ensures consistent quality across high volume production.
Quality Standards
Machined parts adhere to highest quality standards (ISO 2768, ISO 9001 and AS9100).
Multi-Axis Machining: 4 & 5 Axis Milling
For rapid prototyping and high precision machining, JADE-CNC owns multi-axis CNC machines that can produce complex products on a single workpiece at one time. 5 axis milling reduces waste and highly cost-effective for prototype development.
|
Capability |
Details |
|---|---|
|
Material Compatibility |
Stainless steel, aluminum, titanium, tool steel, copper, brass, bronze, titanium, plastics |
|
Capability |
Simultaneous axis machining, 3 +2 axis machining, swarf cutting, 5 axis profiling |
|
Tolerance |
+/- 0.0005 in or more depending on requirements |
|
Maximum Dimensions |
157.5 * 59.1 * 23.6 inch |
|
Minimum Dimensions |
0.1×0.1 inch |
|
Axis |
4 axis machining, 5 axis machining |
CNC Milling
JADE-CNC’s milling service delivers high precision for machined prototypes. We have morn than 40+ milling centers that fulfill your prototyping needs and apply to various industries. Our milling centers cater for CNC prototyping, part production, tool and die making works.
|
Capability |
Details |
|---|---|
|
Material Compatibility |
Stainless steel, aluminum, titanium, tool steel, copper, brass, bronze, titanium, plastics |
|
Milling Operations |
Face milling, profile milling, pocket milling, boring, drilling, surface finishing |
|
Tolerance |
+/- 0.0005 in or higher depending on specifications |
|
Axis |
3-axis milling machine, 4-axis milling machine, multi-axis milling machine |
CNC Machining Materials
From aluminum and steel to brass and a variety of plastics, we offer an extensive selection of high-quality CNC materials to meet your custom manufacturing needs. Whether you need precision, durability, or a lightweight solution, we’ve got the right material to bring your design to life.
CNC Plastic Materials We Offer
The preferred choice for low-cost prototyping, especially for parts requiring functional testing, assembly checks, and aesthetic evaluation. JADE-CNC use them for Product enclosures, automotive interior parts, and functional prototypes.
Price: $$
Lead Time: < 5 days
Wall Thickness: 0.75 mm
Tolerances:±0.125mm (±0.005″)
Max part size: 200 x 80 x 100 cm

PEEK is a kind of material which is suitable for parts needing light weight, corrosion resistance, and low cost in damp or chemical environments. PEEK is always been used them for chemical tank liners, buoys, conveyor wear strips, and outdoor products.
Price: $$
Lead Time: < 5 days
Wall Thickness: 0.75 mm
Tolerances: ±0.125mm (±0.005″)
Max part size: 200 x 80 x 100 cm

PTFE is always reserved for specialized environments requiring extreme temperature resistance, resistance to strong chemicals, or ultra-low friction/non-stick properties. And it’s been used for Seals, gaskets, valve liners, insulating parts, laboratory ware, substrate for non-stick coatings.
Price: $$
Lead Time: < 5 days
Wall Thickness: 0.75 mm
Tolerances: ±0.125mm (±0.005″)
Max part size: 200 x 80 x 100 cm

PC has always been known to be the best chosen for applications demanding a combination of high impact resistance, transparency, and thermal stability. JADE-CNC ever used them for those high transparent parts, such as safety goggles, riot shields, automotive light covers, electronic device housings, high-strength transparent components.
Price: $$
Lead Time: < 5 days
Wall Thickness: 0.75 mm
Tolerances: ±0.125mm (±0.005″)
Max part size: 200 x 80 x 100 cm

PMMA has exceptional optical clarity (>92%), good weatherability, high surface hardness, and can be polished to a crystal-clear finish. It’s the top choice when high transparency, excellent appearance, and UV/weather resistance are required. JADE-CNC uses them for lighting prototypes.
Price: $$
Lead Time: < 5 days
Wall Thickness: 0.75 mm
Tolerances: ±0.125mm (±0.005″)
Max part size: 200 x 80 x 100 cm

Epoxy Board is valued in CNC machining for its excellent electrical insulation, good mechanical strength, dimensional stability, and versatility. Which can be used for enclosures of electrical equipment, lightweight structural panels where electrical isolation is key. You can design it for structural parts requiring more rigidity than acrylic but where metal is unnecessary.
Price: $$
Lead Time: < 5 days
Wall Thickness: 0.75 mm
Tolerances: ±0.125mm (±0.005″)
Max part size: 200 x 80 x 100 cm

POM’s other name is “metal substitute.” which features high stiffness, excellent dimensional stability, a very low friction coefficient, and superior creep resistance. Machines to a smooth, satin-like finish. POM is perfect for precision mechanical parts needing high rigidity, low friction, and dimensional accuracy, often to replace metal for weight saving or corrosion avoidance. POM can be used for precision gears, bearings, cams, valves, knife handles, and lock components.
Price: $$
Lead Time: < 5 days
Wall Thickness: 0.75 mm
Tolerances: ±0.125mm (±0.005″)
Max part size: 200 x 80 x 100 cm

Nylon is an ideal material for moving parts requiring high wear resistance, low friction, and durability under cyclic loading. JADE-CNC ever processed Nylon for Gears, bearings, rollers, jigs, wear-resistant bushings.
Price: $$
Lead Time: < 5 days
Wall Thickness: 0.75 mm
Tolerances: ±0.125mm (±0.005″)
Max part size: 200 x 80 x 100 cm

PP has good fatigue resistance, excellent resistance to chemical solvents, and good electrical insulation. Brittle at low temperatures, which is suitable to apply in parts requiring light weight, chemical resistance, living hinge design, or single-use/disposable items.
Price: $$
Lead Time: < 5 days
Wall Thickness: 0.75 mm
Tolerances: ±0.125mm (±0.005″)
Max part size: 200 x 80 x 100 cm

CNC Metals Materials We Offer
Aluminum is the best choice of “strength-weight-machinability-cost” metal. which can do fast machining speed, excellent surface finish, corrosion-resistant, and can be anodized for color.
Representative Grades: 6061-T6, 7075-T6, ADC12
Price: $$
Lead Time: < 5 days
Wall Thickness: 0.75 mm
Tolerances:±0.125mm (±0.005″)
Max part size: 200 x 80 x 100 cm

Primary Applications is Mechanical structural parts, like prototypes, fixtures, shafts, gears, bolts—functional parts not requiring extreme strength or corrosion resistance.
Representative Grades: 304/316L (Austenitic); 303 (Free-Machining)
Price: $$
Lead Time: < 5 days
Wall Thickness: 0.75 mm
Tolerances:±0.125mm (±0.005″)
Max part size: 200 x 80 x 100 cm

Extreme hardness and wear resistance, used for tools that machine other materials or parts suffering severe abrasion. Which common applies in Punches, dies, cutting tools, wear components for jigs, gauges
Price: $$
Lead Time: < 5 days
Wall Thickness: 0.75 mm
Tolerances:±0.125mm (±0.005″)
Max part size: 200 x 80 x 100 cm

Highest electrical and thermal conductivity among common engineering metals (second only to silver), but soft and gummy, making it more challenging to machine than brass. Copper common applies in Busbars, heat sinks, EDM electrodes, microwave components, applications demanding ultimate thermal/electrical conductivity
Price: $$
Lead Time: < 5 days
Wall Thickness: 0.75 mm
Tolerances:±0.125mm (±0.005″)
Max part size: 200 x 80 x 100 cm

Brass is a versatile copper-zinc alloy renowned for its excellent machinability, attractive gold-like appearance, and good mechanical and corrosion-resistant properties. It is a staple material in CNC machining, especially for parts requiring high precision, smooth finishes, and complex geometries.
Price: $$
Lead Time: < 5 days
Wall Thickness: 0.75 mm
Tolerances:±0.125mm (±0.005″)
Max part size: 200 x 80 x 100 cm

Bronze is prized for its high strength, excellent wear resistance, good corrosion resistance (especially to seawater), and low friction properties against other metals. It is a fundamental material for bearings, bushings, gears, and marine components.
Price: $$
Lead Time: < 5 days
Wall Thickness: 0.75 mm
Tolerances:±0.125mm (±0.005″)
Max part size: 200 x 80 x 100 cm

Lowest cost, easy to machine, excellent weldability, but prone to rust (usually requires plating or painting). The Primary Applications are Mechanical structural parts, prototypes, fixtures, shafts, gears, bolts—functional parts not requiring extreme strength or corrosion resistance.
Price: $$
Lead Time: < 5 days
Wall Thickness: 0.75 mm
Tolerances:±0.125mm (±0.005″)
Max part size: 200 x 80 x 100 cm

Lightest commercial metal (density ~2/3 of aluminum), high specific strength, good damping capacity, easy to machine, Magnesium alloy wildly used for Aerospace, 3C electronics, race wheels, portable devices—fields with extreme weight-saving requirements.
Price: $$
Lead Time: < 5 days
Wall Thickness: 0.75 mm
Tolerances:±0.125mm (±0.005″)
Max part size: 200 x 80 x 100 cm

Titanium is a high-performance, lightweight metal renowned for its exceptional strength-to-weight ratio, outstanding corrosion resistance, and excellent biocompatibility. While challenging and expensive to machine, it is indispensable in aerospace, medical, and high-end engineering applications with its unique properties.
Price: $$
Lead Time: < 5 days
Wall Thickness: 0.75 mm
Tolerances:±0.125mm (±0.005″)
Max part size: 200 x 80 x 100 cm

Design Guide and Tolerances for Precision Machining
|
Type |
mm |
inches |
|---|---|---|
EDM |
+/- 0.005 |
0.0002 |
CNC Grinding |
+/- 0.001 |
0.000039 |
CNC Turning |
+/- 0.005 |
0.0002 |
CNC Milling |
+/- 0.005 |
0.002 |
Typical Precision CNC Machining Industries We Served
From satellite communication to aerospace and beyond, JADE-CNC’s machining delivers precision and reliability across a wide range of industries. No matter if you’re an independent inventor, or designer of a large-scale enterprise, we’re proud to serve a worldwide of over 1,000 customers with top-quality manufacturing services.

Aerospace
Aerospace manufacturing requires high-strength alloy machining and relies on critical dimensioning that must meet safety, quality and ISO regulatory standards.
CNC precision machining offers precision +/- 0.0001 inches for aerospace component manufacturing. CNC grinders offer the smoothest finish on your aerospace machined parts up to 63 µin.

Medical
Medical CNC machining continues to revolutionize medical prototyping with custom implants, surgical instruments and machining of biocompatible materials.
Many medical implants use titanium and PEEK CNC manufacturing and we provide CNC services that pass ASTM standards and ISO 13485 compliance.

Satellite Communication
CNC (Computer Numerical Control) machining plays a critical, enabling role in the satellite communication industry. It is indispensable for manufacturing the high-precision, lightweight, and reliable components that must survive the extreme environment of space while performing flawlessly.

Electronics
Precision machining plays an important role in producing electronics like connectors, pins, enclosures, and semiconductor housings. This ensures high accuracy and repeatability for high volume production runs.
Successful Precision Engineering Stories
Case Study: High-Precision Stainless Steel Medical Device Manufacturing
We take pride in supporting Arrotek by manufacturing highly precise surgical inserts and ensuring no quality compromises on health and medical devices.
Hi June, Yes we picked up the product and it looks great! Thank you for your quick support in getting this done. We will be in contact shortly for future orders😊
FAQ
No MOQ. We really understand the RD phase specialize in supporting projects from a single prototype through to low-volume production. We understand R&D needs and apply the same rigorous process and quality control, whether for one part or one hundred.
Please provide your 3D model (STEP/IGES preferred) and 2D drawings (with critical dimensions, tolerances, material, and finish specified). We will provide a transparent, detailed quotation based on machining time, material, complexity, and post-processing, with no hidden costs.
For parts of standard complexity, our typical CNC machining lead time is 7-15 working days (from confirmed drawings/payment). We offer expedited service with delivery in 1-3 working days, subject to part evaluation and an additional rush fee.
Our standard machining tolerance is ±0.025 mm (±0.001″). For critical features, we can achieve ±0.005 mm (±0.0002″) or better, depending on part geometry and material. We will perform a DFM analysis and confirm all critical tolerances with you upon receiving your drawings.
Yes, it’s part of our standard process. We perform First Article Inspection (FAI) and can provide inspection reports (e.g., dimensional check sheets, CMM data for critical features) upon request. Our full suite of inspection tools (calipers, micrometers, CMM, etc.) ensures every batch meets your specifications.
We stock various aerospace and commercial-grade metals and plastics, such as Aluminum (6061, 7075), Stainless Steel (304, 316), Carbon Steel, Brass, PEEK, Delrin, etc. For critical projects, we can provide mill certificates for the raw materials upon request.
Your intellectual property is our top priority. We are glad to sign a legally-binding Non-Disclosure Agreement (NDA) before any project begins. All digital files are stored on encrypted servers with access strictly limited to the project team.
We are committed to 100% customer satisfaction. If a non-conformance is confirmed to be our manufacturing fault, we will remake or repair the parts at no cost and cover the resulting shipping fees. We ask that you inspect the parts promptly upon receipt and provide a detailed description with photos/video.
We provide various post-processing services, including: Bead blasting, Anodizing (Type II & III, various colors), Electroless Nickel Plating, Passivation, Electroplating, Powder Coating, and Silk Screening. We can advise based on your functional or aesthetic requirements.
For new clients, our standard terms are “50% deposit to start production, 50% balance before shipment.” We accept international payment methods like Wire Transfer and PayPal. Terms can be discussed for established, long-term partnerships.