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Precision CNC Machining · Dongguan, China

Precision CNC machining for industries that can't afford "close enough."

From 1-piece prototypes to 100,000+ production parts — 5-axis milling, CNC turning and Swiss machining held to tolerances of ±0.005 mm. Quotes within 48 hours, DFM feedback within 24.

Trusted by engineering teams worldwide

  • BMW
  • FLIR Systems
  • ABB
  • Electrolux
  • Google
  • i-Dent
15+ yrs
Precision machining since 2009
60+
CNC machines running 24/7
±0.005 mm
Tolerance capability
30+ countries
Clients served worldwide

One shop. Every machining process your part needs.

Stop coordinating five vendors. We mill, turn, finish and inspect under one roof — so tolerances, lead times and accountability stay in one pair of hands.

5-axis machining center milling a threaded aluminum housing in a custom fixture
CNC Milling

3-, 4- & 5-Axis Milling

Complex prismatic parts up to 2,000 mm. Aerospace-grade accuracy with in-house CAM programming and probe-verified setups.

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Collection of CNC turned and machined automotive components
CNC Turning

Turning & Live-Tool Lathes

Shafts, bushings and rotational parts from Ø2 mm to Ø450 mm, with milling done in a single setup for perfect concentricity.

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Swiss-turned precision screw shafts with polished surfaces
Swiss Machining

Swiss-Type Turning

Small-diameter, high-volume medical and electronic components at ±0.003 mm repeatability, batch after batch.

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Precision surface grinding machine finishing a steel part
Surface Finishing

Anodizing, Plating & More

Type II/III anodizing, plating, passivation, bead blasting and laser marking — one supplier, one PO, one inspection report.

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Also on the floor: rapid prototyping in 3–7 days, low-volume bridge production and 100,000+ unit mass runs — see all services →

Quality engineers verifying machined parts with CMM, micrometers and height gauges

Why engineers keep coming back to Hongda

A machining partner is only as good as its last shipment. Ours arrive on spec, on time, with the paperwork to prove it.

  • ✓
    ISO 9001:2015 certified quality system.Every batch ships with material certs and a dimensional inspection report on request.
  • ✓
    DFM feedback within 24 hours.Our engineers flag manufacturability risks before they cost you money — for free.
  • ✓
    Quotes within 48 hours.Clear RFQ in, firm price out. No chasing, no "we'll get back to you."
  • ✓
    Your IP stays yours.NDA by default, isolated project folders, drawings never leave our system.
  • ✓
    One-stop finishing.Anodizing to assembly handled in-house or by vetted partners we audit annually.
More About Hongda

From CAD file to your loading dock in four steps

A process refined over 30,000+ projects. You always know where your parts are.

01

Send your CAD files

Upload STEP / IGES / DWG drawings with quantity, material and deadline.

02

Quote & DFM review

Firm quote within 48 h, plus free manufacturability feedback from an engineer.

03

Production & inspection

Machined, finished and 100% first-article inspected. Full report before shipping.

04

Global delivery

DHL / FedEx / air / sea freight from Shenzhen. Tracking shared the moment it ships.

Machined for the industries where failure isn't an option

Different industries, different stakes. We've built the certifications and process controls to match.

Aerospace

Flight-critical components

Structural brackets, housings and fittings in 7075 and titanium. Full traceability, AS9100-style documentation.

Medical

Surgical & device parts

ISO 13485-aligned workflows, biocompatible materials, Swiss-turned implants and instrument components.

Automotive

Powertrain & EV components

IATF 16949 process discipline for EV battery housings, cooling plates and drivetrain parts at production volume.

Robotics

Actuator & arm components

Harmonic-drive housings and joint brackets with ±0.01 mm concentricity across batch runs.

Electronics

Enclosures & heat sinks

CNC-milled aluminum enclosures with cosmetic finishing to Class A and tolerances that make assembly painless.

Energy

Oil, gas & new energy

Corrosion-resistant alloys, pressure-bearing parts and large-format machining up to 2,000 mm.

Proof, not promises

Three recent projects. Every number below came off our inspection reports.

CNC machining an aluminum 7075 robot arm bracket
Robotics · 5-Axis

7075 robot arm brackets

500 units, ±0.01 mm flatness, delivered in 12 days — 3 days ahead of schedule.

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Precision-machined medical instrument components
Medical · Swiss

Surgical instrument shafts

Ø3.2 mm 316L shafts at Ra 0.4, 20,000 pcs/month with zero returns in 18 months.

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CNC machined aluminum wheel hubs for motorsport
Automotive · Production

EV battery cooling plates

Friction-stir-ready 3003 aluminum, 8,000 units, weld-pass rate raised to 99.6%.

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"Hongda's DFM feedback caught a wall-thickness issue our own team missed. The first article was within print on every dimension, and the production run shipped a week early. They're not a vendor anymore — they're part of our supply chain."
— Procurement Director, industrial robotics manufacturer, Germany · 3-year partnership

Questions engineers ask us first

What information do you need to quote my part?

3D files (STEP/IGES) plus 2D drawings with tolerances, material, quantity and any surface finish requirements. The more complete the package, the faster the quote — most come back within 48 hours.

What is your minimum order quantity?

One. We routinely machine single prototypes and bridge straight into production runs of 100,000+ units, so your supplier doesn't change as your volume grows.

How do you guarantee quality before shipping?

100% first-article inspection on new parts, in-process QC on every batch, and a full dimensional report with material certificates shipped alongside the parts. Zeiss CMM verification for tight-tolerance features.

What are your typical lead times?

Prototypes: 3–7 working days. Production runs: 2–4 weeks depending on quantity and finishing. Expedited options are available — tell us the deadline and we'll tell you honestly if it's possible.

Have a part in mind? Get a firm quote in 48 hours.

Upload your CAD files — an engineer, not a salesperson, will review them and reply.

Request a Quote →