Made-to-drawing turned parts • prototype to volume
Custom Precision CNC Turning Service in China
Looking for a reliable custom CNC turning service in China? We manufacture precision CNC turned components strictly to customer drawings — from one-off prototypes and engineering samples to repeat batch production. Working across carbon steel, stainless steel, aluminum, brass, titanium and engineering plastics, our turning cells combine fixed-head CNC lathes, Swiss-type turning and live-tool turn-mill centers to deliver concentric, thread-accurate parts on short, predictable lead times.
As a China-based custom CNC turning service, we support overseas OEMs, machine builders and industrial distributors with English drawing review, honest process feedback and consistent repeat-order quality.
Ø1–300 mmBar and billet turning capacity
±0.005 mmPrecision diameter tolerance capability
50+Metals and engineering plastics in stock
1–50,000+ pcsPrototype, small batch and volume runs
Why choose us
Why Buy Turned Parts From a Custom CNC Turning Service in China
A custom CNC turning service in China should do more than load a program and run a machine. Every order we accept is reviewed as an engineering job before the first chip is cut, so the process matches the drawing instead of forcing the drawing to fit the process.
Drawing-based custom production
Every shaft, bushing, pin, spacer, fitting and coupling is produced from your STEP or IGES model and 2D PDF drawing, with diameter, thread, concentricity and surface-roughness callouts followed exactly.
Fixed-head, Swiss-type and turn-mill capacity
Slender small-diameter parts run on Swiss-type machines, while larger and geometry-rich parts use CNC lathes with live tooling, so turned and milled features are finished in fewer setups.
Prototype-friendly, production-ready
Single-piece samples and small engineering batches receive the same process discipline as volume runs, which makes the step from design validation to monthly repeat orders smooth and low-risk.
Managed secondary operations
Heat treatment, plating, anodizing, black oxide, polishing, laser marking and simple assembly work are coordinated under one purchase order, so finished parts arrive ready to install.
Materials
Engineering Materials We Routinely Turn
Material selection is confirmed against the drawing before cutting starts. The list below covers the grades most often requested by buyers using a custom CNC turning service in China, and customer-supplied or specially sourced grades can be arranged as well.
Carbon & alloy steel
1045, 4140, 42CrMo, 40Cr and equivalent grades for high-load shafts, journals and drive components.
Stainless steel
303, 304, 316L, 17-4 PH, 416 and 420 for corrosion-resistant turned parts in wet or outdoor environments.
Aluminum alloys
6061, 6063, 7075, 2024 and ADC12 for lightweight components with short cycle times and clean finishes.
Brass & copper
Free-cutting brass C36000, lead-free brass and copper alloys for fittings, connectors and conductive parts.
Titanium & nickel alloys
Ti-6Al-4V and related high-performance alloys for demanding strength-to-weight and corrosion conditions.
Bronze & bearing alloys
Tin bronze, leaded bronze and oil-impregnated grades for bushings, sleeves and sliding wear components.
Engineering plastics
POM (Delrin), PA66 nylon, PP, PEEK, PTFE, UHMWPE and PVC for insulating, lightweight and non-marring parts.
Tool & specialty steels
SKD11, H13, D2 and customer-designated grades for tooling, forming and wear-resistant applications.
Workflow
From Drawing to Delivered Part in Four Steps
A fixed, transparent routing keeps every custom CNC turning order traceable, from the first drawing review to export-ready packaging.
1
Drawing review & quotation
Tolerances, threads, material choice and machinability are reviewed together. Difficult or high-risk features are flagged early, and the quote is built on the actual process plan.
2
Programming & first article
Tool paths and fixturing are programmed and proven on the first component. Critical diameters, bores and threads are inspected before any batch cutting begins.
3
Turning, milling & deburring
Turning, live-tool milling, drilling, grooving, knurling and deburring follow a fixed routing, while secondary finishing is scheduled in parallel wherever possible.
4
Inspection & packaging
Key dimensions are recorded per batch, parts are cleaned and edge-broken, and export-grade packaging protects surfaces and threads during international transit.
Parts showcase
Turned and Machined Parts From Our Production Floor
A selection of components produced through our custom CNC turning service in China. Every item below is made to customer drawing rather than stocked as a catalog standard.
Worm Shaft
Shafted Conveyor Screw
Robot Flange
Precision Pipe Fitting
Industries served
Industries That Rely on Our Turned Components
Custom CNC turned parts from our workshop go into machinery and equipment across the sectors below, each with its own typical geometry, material and finishing requirements.
Hydraulics & fluid power
Pistons, adapter sleeves, valve spools, spacers and threaded fittings with clean sealing surfaces.
Conveyor screws, worm shafts, drive journals, end couplings and hanger components.
Food & packaging machinery
Stainless pins, rollers, adjustment sleeves and wash-down compatible turned components.
Automotive & transport
Bushings, stepped shafts, sleeves, threaded inserts and machined drivetrain components.
Piping & oilfield systems
NPT and BSP couplings, pipe fittings, adapter nipples and threaded connector bodies.
Agricultural & outdoor equipment
Pivot pins, wear bushings, linkage sleeves and hardened rotating components.
Electronics & medical devices
Small precision connectors, insulating plastic parts, micro shafts and clean housings.
Capabilities
Technical Capabilities at a Glance
The capability set below is what allows a single custom CNC turning service in China to cover simple washers and pins as well as multi-feature turn-mill components without splitting work across unrelated vendors.
Turn-mill combined machining
Live tooling with C-axis and Y-axis capability produces cross-holes, flats, hexes, slots and milled contours in the same setup, protecting concentricity between features.
Complete threading capability
Metric and unified threads, NPT, BSP/G, trapezoidal and ACME forms, plus custom multi-start threads, cut or milled and checked against the specified thread gauge.
Complex turned geometry
Stepped shafts, thin-wall sleeves, tapered bores, internal grooves, deep-hole boring, contour turning and controlled diamond or straight knurling.
Controlled surface quality
Surface finishes around Ra 0.8 and finer are achievable, with defined deburring, edge break and cosmetic standards agreed before production.
Flexible batch sizes
One-piece engineering samples, 10–200 piece validation batches and monthly blanket orders all run on stable, repeatable setups.
Dimensional inspection records
First-article and in-process inspection records cover critical diameters, lengths, bores and thread specifications, with reports available for each production batch.
Machining & inspection
The Machines That Cut and the Instruments That Verify
Turning accuracy is only as reliable as the equipment behind it. Production runs on dedicated CNC turning machines, while finished parts are checked with independent optical and coordinate measuring instruments away from the cutting zone.
CNC Turning Lathe
Fixed-head CNC lathes with bar feeding and live tooling for stepped shafts, precision threads and cross-milled features in one setup.
2D Optical Profile Projector
Non-contact profile, angle and radius inspection for small turned contours, thread forms and edge details magnified onto a measuring screen.
Coordinate Measuring Machine (CMM)
Three-coordinate measurement of diameters, positions, concentricity and geometric tolerances on complex turn-mill components.
Buyer FAQ
Questions Buyers Ask About Custom CNC Turning
Practical answers for engineers and sourcing teams evaluating a custom CNC turning service in China for the first time.
What information is needed for an accurate quote?
A 3D model in STEP or IGES format together with a 2D PDF drawing showing tolerances, threads, material grade and surface requirements allows the fastest and most reliable quotation. Reference samples or photos also help when a drawing is still being finalized.
What tolerances can your custom CNC turning service in China hold?
On suitable materials and geometries, diameter tolerances down to around ±0.005 mm and surface finishes near Ra 0.8 are achievable. The achievable tolerance is always confirmed feature by feature against the actual drawing.
Is there a minimum order quantity?
There is no fixed MOQ. One-off prototypes, 5–50 piece engineering batches and thousands-per-month production runs are all routine work for a custom CNC turning workshop.
Can one part include both turned and milled features?
Yes. Turn-mill centers complete flats, slots, cross-drilled holes, hexes and off-axis features in a single setup, which improves concentricity, shortens lead time and avoids tolerance stack-up between vendors.
How long does a typical order take?
Simple prototypes often ship within 7–10 working days after material confirmation. Larger batches or parts requiring heat treatment and surface finishing are scheduled against an agreed production plan before the order starts.
Do you support repeat orders from the same drawing?
Yes. Drawings, process routings, tooling notes and inspection points are archived, so reorders run on identical setups with consistent dimensions and finishes batch after batch.
A Custom CNC Turning Service in China Built Around Your Drawing
From a single Swiss-turned pin to monthly volumes of multi-feature turn-mill components, production is organized around dimensional accuracy, predictable lead times and clear English communication at every stage. Send a drawing, receive an engineering-based quotation, and let a focused custom CNC turning service in China turn it into a repeatable supply of quality parts.
