Shenzhen, China · ISO 9001 & ISO 13485

Precision CNC Machining You Can Verify.

From one prototype to full production. Precision machining in Bao'an, Shenzhen — the engineer who quotes your drawing works beside the machine that cuts it.

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6+Years of Machining Experience
50+Materials Machined In-House
6 hEngineering-Reviewed Quotes
±0.005 mmStandard Tolerance
ROK Precision CNC machining workshop in Bao'an, Shenzhen
Our workshop — Bao'an District, Shenzhen
The Factory

One Factory. One Team. One Set of Inspection Records.

Founded in 2020, ROK Precision is a precision machining factory based in Bao'an District, Shenzhen, China. Every quote is manually reviewed by an engineer — not a calculator. There is no minimum order quantity: from a single prototype to 10,000+ parts, the same team, the same machines, and the same inspection records stand behind every order.

We are certified to ISO 9001:2015 and ISO 13485:2016 — the medical-device quality standard that governs how we control traceability, cleanliness, and process validation for every medical component we machine.

ISO 9001:2015 ISO 13485:2016 No MOQ Shenzhen, China
Capabilities

Six processes, one roof.

Milling, turning, sheet metal, finishing, and inspection — quoted together, scheduled together, inspected together. No outsourcing between steps you cannot see.

CNC milling of an aluminium part

CNC Milling

3-, 4-, and 5-axis machining centers for housings, brackets, manifolds, and contoured parts — machined alongside turning and inspection, under one roof.

CNC turning of a metal shaft

CNC Turning

Shafts, bushings, fittings, and flanges — from small-diameter pins to large chuck work, with live tooling for mill-turn features in a single setup.

Multi-axis machining with coolant

5-Axis Machining

Complex contours finished in a single setup — one quote, one schedule, one inspection record. Fewer setups means fewer chances for error.

Fibre laser cutting of sheet metal

Sheet Metal Fabrication

Laser cutting, bending, and welded assemblies — prototypes and low-volume enclosures produced alongside our machined parts.

Finished anodised machined aluminium parts on engineering drawings

Surface Finishing

Anodizing, plating, polishing, passivation, black oxide, laser marking, and heat treatment, coordinated with our long-term certified partners.

Digital caliper measuring a machined metal part

Inspection & Quality

First-article inspection, in-process checks, and full dimensional reports — every batch measured with calibrated instruments and recorded.

Materials & Finishes

If it can be machined, we have cut it before.

Over 50 materials held or sourced on short notice — with honest advice on substitutes when a material is slow to supply.

Metals

Aluminium (6061, 7075), stainless steel (303, 304, 316L), alloy & tool steel, titanium, brass, copper, Inconel & nickel alloys.

Plastics

PEEK, PTFE, Delrin (POM), Nylon (PA), polycarbonate (PC), acrylic (PMMA), ABS, UHMW-PE.

Finishes

Anodizing (clear, black, hard), plating, passivation, black oxide, bead blasting, polishing, laser marking, heat treatment.

Production Scale

One piece or ten thousand — same team.

Standard lead time from 10 working days after drawing and material confirmation.

1 – 10 pcs

Prototype Machining

Fastest turnaround 3–5 working days. Ideal for design validation and first articles.

10 – 500 pcs

Low-Volume Production

10 to several hundred parts in 10–15 working days. Flexible scheduling, no tooling lock-in.

500+ pcs

Volume Production

Thousands of parts with first-article inspection, in-process SPC, and repeat-order tooling control.

Industries

Parts that cannot afford to fail.

Most of our work goes to teams where a rejected batch means a stopped production line — or a recall.

Medical & DevicesAutomotiveRobotics Electronics & TelecomDrones & UAVEnergy Industrial EquipmentAerospaceConsumer Products
Why ROK Precision

Four things our customers keep mentioning.

① Engineers Quote, Not Calculators

Your drawing is reviewed by the engineer who will program the machine. DFM feedback comes back with the quote — not after the first article fails.

② Quotes in 6 Hours

Most RFQs answered within 6 working hours, with material and finish options priced out honestly — including the ones we think you should not use.

③ In-House Factory

Our own machines, our own inspection lab. ±0.005 mm standard tolerance, no MOQ, from 1 to 10,000+ pieces.

④ One Point of Contact

From prototype to production you talk to the same person — no hand-offs between sales, engineering, and shipping.

"The people quoting your parts are the people machining them. If we cannot hold your tolerance, we will tell you before you order — not after." — ROK Precision engineering team

Send us your drawing.
Get a quote in 6 hours.

STEP, IGES, DWG, PDF, or a photo with dimensions — anything we can read. NDA available on request.

Email quote@rokprecision.com Bao'an District, Shenzhen, China · Mon–Sat, 9:00–18:00 (GMT+8) · Reply within 6 working hours
FAQ

Questions engineers ask first.

What does ROK Precision do?

We custom-machine metal and plastic parts from your drawings — 50+ materials, from a single prototype to full production runs.

Where are you located, and who do you work with?

Our factory is in Bao'an District, Shenzhen, China. Our customers are mainly engineers, designers, and purchasing teams in North America, Europe, and Australia.

Is there a minimum order quantity?

No. We accept 1 piece to 10,000+ pieces, and price low volumes honestly at their real cost.

How fast are quotes and delivery?

Most quotes within 6 working hours. Standard lead time from 10 working days after drawing and material confirmation, plus 3–7 days international express.

Can you support medical and regulated components?

Yes. We are certified to ISO 13485:2016 and routinely machine medical device components with full material traceability and dimensional reports.