Precision Machine Parts & Custom CNC Machining parts

We are a leading CNC machined parts manufacturer in China, specializing in high-quality machined parts for industries worldwide. From prototypes to production, we deliver precision machined components that meet your exact specifications.

  • ISO 9001:2015 & AS9100D certified
  • Based in Shenzhen – serving aerospace, automotive, medical, and industrial clients
  • In‑house CMM & advanced metrology for tight tolerances
  • Express shipping to USA, Europe, Asia, and beyond
ISO 9001 AS9100D ITAR compliant

Talk to an engineer

nicole.huang@metalworksplus.com
+86-13480645108 (WhatsApp)
Shenzhen, China · HQ
Global supplier – shipping to USA, Europe, Asia, Middle East
20+
Years precision
8,500+
Projects worldwide
30+
Export countries
±0.005mm
Tolerance

Our precision machining capabilities – available globally

We produce CNC precision parts and precision machined components using advanced multi‑axis equipment, with full global logistics to any destination.

CNC Machining

CNC Machining parts and CNC turning parts with 3/4/5‑axis accuracy. Ideal for complex geometries shipped worldwide.

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CNC Milling

High‑speed milling for metals and plastics. Surface finishes down to Ra 0.4 µm. Export to North America, Europe.

our milling

Rapid CNC Prototyping

Custom CNC machined parts in days. Fast prototype delivery to any global address.

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Machine parts manufacturing

From one‑off to high‑volume production. Full QA reports with every international order.

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Industrial cnc machined parts - SAMPLES*

We manufacture a wide range of precision components for various industries. Below are some of our most requested products.

CNC machined parts main shaft

Main Shaft

Material: 4140 / 4340
Process: CNC turning, grinding
Specs: up to 1.5m length

For industrial gearboxes and pumps.

Gear shaft

Gear Shaft

Material: 8620 / 20MnCr5
Process: Hobbing, shaving
Specs: integrated gear

Helical or spur gear cut on shaft.

Splined shaft

Splined Shaft

Material: 4140 / 1045
Process: CNC hobbing / broaching
Specs: involute spline

For high‑torque transmission.

Drive shaft

Drive Shaft

Material: Steel / Stainless
Process: CNC turned, keyway
Specs: custom lengths

For conveyors, pumps, motors.

Spur gear

Spur Gear

Material: 1045 / 4140
Process: Hobbing, shaping
Specs: AGMA 10

General power transmission.

Helical gear

Helical Gear

Material: 8620 / 4140
Process: Hobbing, grinding
Specs: low noise

High‑speed gearbox applications.

Bevel gear

Bevel Gear

Material: 8620 / 4140
Process: Gleason cutting
Specs: straight / spiral

Right-angle drives.

Gear blank

Gear Blank

Material: Steel / Bronze
Process: CNC turned
Specs: ready for cutting

Rough machined, all stock removed.

Shaft coupling

Shaft Coupling

Material: 1045 / 4140
Process: CNC turn/mill
Specs: keyed / splined

Rigid coupling for motor-pump.

Flexible coupling

Flexible Coupling

Material: Aluminum / Steel
Process: 5‑axis mill
Specs: beam / jaw type

Compensates for misalignment.

Keyed coupling

Keyed Coupling

Material: 1045 steel
Process: CNC turn, broach
Specs: standard keyway

Heavy-duty industrial coupling.

Universal joint yoke

Universal Joint Yoke

Material: 4140
Process: CNC mill, broach
Specs: off-highway

For driveshafts in heavy equipment.

Bearing housing

Bearing Housing

Material: Cast iron / Steel
Process: CNC boring, facing
Specs: split / solid

For pillow block or flange mount.

Pillow block

Pillow Block Housing

Material: Ductile iron
Process: CNC mill, bore
Specs: 2-bolt / 4-bolt

Standard bearing support.

Flanged housing

Flanged Housing

Material: Aluminum / Steel
Process: CNC mill
Specs: square / round

Compact bearing mounting.

Bronze bushing

Bronze Bushing

Material: C932 / C954
Process: CNC turned
Specs: flanged / straight

Wear-resistant, low friction.

Pump housing

Pump Housing

Material: Cast iron / SS
Process: CNC boring
Specs: volute type

Centrifugal / gear pump casing.

Gearbox housing

Gearbox Housing

Material: Al / CI
Process: 5‑axis, boring
Specs: multi-bearing

Precision housing for gear drives.

Motor housing

Motor Housing

Material: Al 6061
Process: CNC mill, anodize
Specs: finned / smooth

Electric motor enclosure.

Compressor casing

Compressor Housing

Material: Ductile iron
Process: CNC boring
Specs: ported

Scroll / reciprocating compressor.

Valve body

Valve Body

Material: Cast iron / SS
Process: CNC mill, gun drill
Specs: multi-port

Hydraulic directional valve.

Hydraulic manifold

Hydraulic Manifold

Material: 6061 / 4140
Process: 5‑axis, tapping
Specs: 4-20 ports

Integrated circuit manifold.

Ports and fittings

Hydraulic Ports & Fittings

Material: SS / Steel
Process: Swiss CNC
Specs: JIC / NPT / ORFS

Precision fittings for high pressure.

Cylinder end cap

Cylinder End Cap

Material: 1026 / 4140
Process: CNC turn, mill
Specs: threaded / flanged

Hydraulic / pneumatic cylinder head.

Industries we serve worldwide

Trusted by leading companies in aerospace, medical, automotive, energy, and industrial machinery – from our facility in China to your doorstep.

Aerospace

Turbine blades, structural brackets, engine mounts – meeting NAS, ASTM standards.

Automotive

Engine blocks, transmission parts, custom prototypes for EV and motorsport.

Medical

Surgical instruments, implants, diagnostic equipment – cleanroom compatible.

Robotics

Arms, joints, end effectors – lightweight components for automation leaders.

Electronics

Enclosures, heat sinks, RF shielding – precision CNC aluminum parts.

Industrial

Valves, gears, hydraulic manifolds – heavy-duty precision machined components.

Precision & process capabilities – for international clients

Tolerance & equipment

±0.005 mm on complex features. We operate 3‑, 4‑ and 5‑axis CNC mills, Swiss lathes, and EDM – serving global precision needs.

Materials expertise

  • Aluminum 6061, 7075
  • Stainless steel 303, 316L
  • Brass, copper, bronze
  • Titanium Grade 2,5,23
  • PEEK, Delrin, PTFE
  • Ultem, Nylon, Acetal

Finishing & quality

  • Anodizing (clear, black, hard coat)
  • Passivation & electropolish
  • Powder coating, plating
  • CMM inspection & material certs
  • Surface roughness Ra 0.2 µm

Certifications

ISO 9001:2015, AS9100D, ITAR compliant (upon request) – accepted by global partners.

Trusted by engineering teams worldwide

“Precision CNC has been our go‑to for tight‑tolerance aerospace parts from China. Their global logistics are seamless – we receive in California within a week.”

— Senior Buyer, AeroSpace Corp (USA)

“Fast turnaround on custom CNC machined parts helped us hit our prototype deadline in Germany. Excellent communication across time zones.”

— R&D Manager, MedTech (Germany)

“They handle our high‑volume automotive runs with zero defects. True precision machined components delivered to our plant in Mexico.”

— Supply Chain, AutoPart (NA)

AeroDynamic (USA) MediCorp (DE) AutoTech (JP) Robotics Inc (UK) ElectroSys (KR)

Ready to produce your precision parts with a global supplier based in China?

Our engineers provide free DFM feedback. Upload your CAD for a fast quote – we ship worldwide via DHL, FedEx, or air freight.

📁 STEP, IGES, SolidWorks, or PDF — we support all formats. Shipping to USA, EU, Asia, Middle East.