We are a China factory CNC machining workshop delivering a complete custom CNC machining service from China to buyers across North America, Europe, Australia and the rest of the world. Send us a 2D drawing, a 3D model or a physical reference sample, and our engineering team will produce precision machined parts exactly per your specification — material, tolerance, thread form, heat treatment and surface finish all made to print.
From a single CNC machined prototype to repeat high-volume production batches, our CNC machining China floor combines CNC milling, CNC turning, Swiss-type turning, turn-mill machining, grinding and EDM, together with every common heat treatment and surface finishing process, under one coordinated production plan. Sourcing a machining part from China becomes simple: one engineering contact, one routing, one inspection record for every machining part China and overseas customers order from us.
A small selection of custom machined parts produced for customers worldwide: CNC machined aluminum cases, custom milling brackets, auto-lathed turning components, 17-4PH machined impellers, humanoid robot joint bodies, custom gear rings, hydraulic manifold blocks, special-shape steel guide rails, copper valve parts, 42CrMo alloy gear shafts, threaded copper flanges and post-machined zinc die castings. Every part shown is a custom CNC machining part made per the customer's own drawing.
Our CNC machining service works with the full range of metals and engineering plastics OEM buyers request. The stock grades below are regular materials on our China factory floor; each can be CNC milled, CNC turned, ground and finished into a custom machining part China and overseas customers rely on.
6061, 6063, 7075, 2024, 5052, 5083 and ADC12 are machined into CNC machined aluminum housings, heatsinks, mounting brackets, face plates, motor end caps and robot structural parts — lightweight, fast to cut, and ready for clear or color anodizing, hard anodizing or powder coating.
1018, 1045, Q235, AISI 4140, 42CrMo (SCM440), 40Cr and bearing steels are turned and milled into shafts, gear blanks, sprockets, bushings, flanges and load-bearing welded assemblies, with quenching, tempering or induction hardening added wherever the drawing requires.
303, 304, 316L, 416, 17-4PH and duplex 2205 become corrosion-resistant CNC milled stainless steel plates, fittings, pump bodies, fasteners and food-grade components, with passivation or electropolishing available as the final surface treatment.
T2/C11000 copper, H59/H62 and C36000 free-cutting brass, tin bronze and phosphor bronze are ideal for CNC turned brass fittings, copper valve bodies, electrode holders, busbars, connectors and threaded flanges where electrical or thermal conductivity is decisive.
Grade 2 and Ti-6Al-4V titanium, Inconel 718/625 and Hastelloy are precision CNC machined into impellers, fasteners and heat-resistant parts that demand sharp tooling, rigid fixturing and tightly controlled cutting feeds and coolants.
POM/Delrin, PA66 nylon (with glass fiber), PC, ABS, PEEK, UHMWPE, PTFE, HDPE, acrylic and Bakelite are CNC machined into insulating spacers, wear strips, plastic gears, guide blocks, transparent covers and lightweight non-metal parts without any coating.
D2, A2, SKD11, H13 and O1 tool steel, together with gray and ductile cast iron, suit mold inserts, die components, machine beds, guide rails and wear plates that require high hardness after heat treatment and stable dimensions after finish grinding.
We also perform secondary CNC machining on aluminum extrusions, aluminum and zinc die castings, sand castings and forgings — cleaning datums, boring holes and cutting threads so a rough blank becomes a fully finished CNC machined production part.
Choosing the right process for each geometry is part of every quotation we issue as a machining service. China-based but export-focused, our workshop runs the processes below every day, and a single part is routed — sometimes across several of them — to hold the drawing at the most sensible cost.
Planes, pockets, slots, contours, drill patterns and tapped holes on plates, brackets, housings and jigs. This is the default CNC milling service for prismatic CNC machined aluminum and steel parts, with fast setup and economical cycle time.
Impellers, blades, sculptured surfaces, helical features and multi-sided parts such as robot joint bodies. One setup reaches four or five faces, reducing stack-up error, refixturing marks and total lead time on complex CNC machining work.
Rotational CNC turned parts — shafts, pins, sleeves, rings, rollers, bushings, threaded connectors and round flanges — with outer diameter, bore, groove and thread all completed in a single clamping for stable concentricity.
Small-diameter, slender and high-precision turned components. The guide-bush design supports long thin shafts and micro parts with excellent concentricity in one cycle, including live-tool cross-drilling and cross-milling.
Combined turning and milling on one machine suits complex hydraulic blocks, valve spools and parts carrying both rotational and prismatic features, cutting setups and protecting tight position tolerances between features.
Fine surface roughness and tight diameter control on hardened shafts, guide rails, mold faces and bearing seats. Finish grinding routinely reaches Ra 0.4 and IT5–IT6 dimensional grades after heat treatment.
Hardened tool steel, narrow slots, internal sharp corners, spline holes, die profiles and delicate features that rotating cutters cannot reach are cut by EDM without cutting-force deformation or chatter marks.
Secondary operations cover precision bored and reamed holes, metric and unified threads, cross-holes, counterbores, spotfaces and diamond or straight knurling for grip, assembly or cosmetic surfaces.
Every CNC machining service from our China factory is backed by in-house measuring equipment. First-article, in-process and final inspection all follow the drawing, so each CNC machined batch is checked before it leaves the workshop.
3-axis, 4-axis and 5-axis CNC milling centers produce prismatic and complex-curved parts from aluminum, steel, stainless, copper and engineering plastics, all made per customer drawing.
Fixed-head and Swiss-type CNC lathes turn shafts, sleeves, pins, rings and threaded fittings, with live tooling for cross-holes and milled flats completed in the same setup.
A digital profile projector checks small turned profiles, radii, angles, thread forms and edge dimensions that are difficult to capture reliably with hand-held measuring tools.
A three-coordinate measuring machine verifies true position, flatness, parallelism, concentricity and other geometric tolerances against the 3D model and the engineering drawing.
Heat treatment can be arranged before rough machining or after semi-finishing, depending on material hardness and distortion control. Our CNC machining China team routinely coordinates the processes below and machines the reserved finish allowance afterwards, so final dimensions remain stable.
Softens material and relieves internal stress before CNC machining, improving dimensional stability for complex aluminum, steel and stainless steel parts that will see heavy material removal.
Refines the grain structure of carbon and alloy steel, producing uniform hardness and predictable cutting behavior before batch CNC turning or milling of steel production parts.
Raises hardness and wear resistance for alloy steel shafts, pins and gears; finish-grinding stock is reserved in advance to correct any heat-treatment distortion.
Applied after quenching to tune the balance between hardness and toughness, reducing brittleness in 42CrMo, 40Cr and similar load-bearing CNC machined components.
Builds a hard, wear-resistant outer skin while keeping a tough core — a classic choice for gears, shafts, sprockets, cam surfaces and parts subject to repeated surface loading.
Delivers a very hard, low-distortion surface at relatively low process temperature, well suited to gear shafts, spindles, molds and parts that cannot tolerate quench distortion.
Hardens only selected zones — gear teeth, guide-rail ways, pin surfaces — leaving the rest of the CNC machined part tough and easy to machine in other areas.
Solution treatment plus precipitation (aging) cycles strengthen 17-4PH stainless, 6061/7075 aluminum and titanium alloys to the temper called out on the drawing.
Surface treatment protects machined parts, adjusts appearance and improves wear or sliding behavior. The finishes below are routinely coordinated as part of our machining service. China and overseas drawings may specify Ra values, coating thickness or color codes; we follow the print.
Aluminum parts receive clear, dyed or satin anodic films for corrosion protection and a clean cosmetic look, with color matched to a sample or a specified color reference.
A thick, wear-resistant hard anodic layer for moving aluminum components, pistons, guide parts and surfaces that see repeated friction in service.
A durable colored polymer film for indoor and outdoor CNC machined steel and aluminum parts, available in matte, satin and gloss textures.
Electroplated zinc, nickel and chromium layers protect steel from corrosion and provide decorative or hard-wearing surfaces on brackets, shafts and fittings.
Chemically brightens and smooths stainless steel surfaces, removing burrs and micro-peaks for cleanroom, food and fluid-handling components.
Removes free iron from machined stainless steel surfaces, restoring the natural corrosion resistance of 304, 316L and 17-4PH parts.
A thin, dimension-neutral dark conversion coating on steel that keeps fine dimensions and helps retain lubricating oil on gears and shafts.
Produces a uniform matte texture, removes cutter marks and prepares aluminum and stainless surfaces before anodizing, painting or polishing.
Directional satin brushing, mirror polishing and vibratory buffing create cosmetic finishes ranging from industrial to fully decorative.
Wet painting, printed logos and labels, and permanent laser-marked part numbers, batch codes and material marks can all be added per drawing.
PVD, TiN, nickel-Teflon and similar thin films add low friction, anti-galling behavior or decorative metallic surfaces to steels and stainless.
Every CNC machined part is deburred; barrel tumbling, vibratory finishing and manual edge breaking deliver smooth edges and a consistent hand feel.
The figures below reflect what our China factory CNC machining equipment and inspection routine regularly achieve on production parts. Tighter values are possible on selected features; the final target always follows your drawing and its GD&T callouts.
General machining tolerances of ±0.01 mm to ±0.02 mm on milled and turned features, with precision-ground features held to ±0.005 mm or tighter, and bore/shaft fits around IT5–IT7 grades.
As-machined surfaces typically reach Ra 1.6–3.2; fine turning and milling reach Ra 0.8; grinding, honing and polishing reach Ra 0.4 down to Ra 0.2 for sealing or bearing surfaces.
Flatness, parallelism, perpendicularity, cylindricity, concentricity, runout and true position are controlled per GD&T symbols and verified on the CMM or the profile projector.
Metric and unified threads, internal and external, reamed and honed H7 bores, g6/h6 shafts, and press-fit or location-fit surfaces are produced and gauged before dispatch.
As a long-running CNC machining service from China, we supply custom machined parts across the industries below. The same part families appear again and again — housings, brackets, shafts, flanges, blocks, gears and connectors — each made per the customer's own drawing.
CNC machined aluminum brackets, steel gear rings, drive shafts, suspension components, battery-tray parts and sensor housings for both combustion and EV programs.
Humanoid robot joint bodies, servo housings, end-of-arm tooling, linear guide rails, cam plates and precision motion components in aluminum, steel and stainless.
Custom hydraulic manifold blocks, valve bodies, spools, cylinder ends, copper valve parts and threaded flanges with complex cross-drilled oil galleries.
5-axis CNC machined impellers, turbine-style components, titanium and 17-4PH parts where multi-axis geometry and material control are decisive.
Aluminum cases, heatsinks, front panels, shielding frames, copper connectors and CNC turned brass contacts for electronic and communication hardware.
Stainless and aluminum instrument parts, pump and valve components, fixture blocks and non-magnetic assemblies made to clean, tight dimensions.
42CrMo helical gear shafts, pump impellers, coupling parts, rig hardware and heavy-section machined weldments for energy and machinery builders.
Post-machined zinc die-cast parts, specialty hardware components, brass knobs, custom frames and small consumer mechanisms from prototype to mass production.
CNC machining needs no mold, so order quantity stays flexible. Our machining service China team supports the full quantity ladder below with the same drawing-driven process control and the same inspection discipline.
A single CNC machined part made directly from the drawing — typically for fit checks, design verification or first-article samples, with a fast first-part turnaround.
Small CNC machined batches with soft tooling and optimized fixturing, ideal for design iterations, assembly trials and early market testing.
Standardized CAM programs, pallet fixtures and in-process dimension checks keep cycle time and quality stable across medium-volume runs.
High-volume and blanket-order CNC machining with planned material stock, dedicated fixturing, batch traceability and consistent part-to-part repeatability.
Most orders arrive as engineering drawings; we also work from physical samples when no drawing exists. The route below is identical whether you need one CNC machined aluminum prototype or a monthly batch of CNC turned steel components.
Share PDF, DWG, DXF, STEP/STP, IGES or X_T files, or ship a physical sample; samples are measured and reverse-engineered into workshop drawings for confirmation.
Engineers review tolerances, material choice, tool access, internal corners and finish, propose cost-saving options where useful, and quote the CNC machining service in writing.
Raw bar or plate stock is sawed to size, or casting, extrusion and forging blanks are prepared and checked against the specified grade before cutting starts.
Parts are routed through milling, turning, turn-mill, grinding and EDM as the geometry requires, with first-piece inspection signed off before the batch run.
Hardening, anodizing, plating, powder coating, painting and marking are executed per specification, with finish allowance planned before machining begins.
Final dimensions and finish are checked, parts are cleaned and deburred, and protective packaging prevents damage during long international transit.
Customers searching for CNC machining China, machining service China, machining part China or a China factory CNC machining partner usually want the same things: engineering understanding, honest tolerances, on-time batches and straightforward English communication. That is exactly what this workshop is built around.
Milling, turning, grinding, EDM, heat treatment and surface finishing are coordinated by one team, so buyers manage one order instead of chasing five separate vendors.
Every CNC machined part is made to the customer's own drawing or sample; materials, tolerances and features are never silently substituted or loosened.
Because CNC machining cuts from solid stock, there is no tooling investment, and revised drawings can be implemented in the next batch with minimal delay.
Dozens of metal and plastic grades and every common machining and finishing process are available, including difficult stainless, titanium and copper parts.
Inch or metric drawings, unified or metric threads, English correspondence and export-standard packaging suit buyers in the US, Canada, Europe and Australia.
First-article approval, in-process checks and final CMM and projector inspection keep monthly repeat orders consistent over long-term cooperation.
As a China factory CNC machining service provider, we welcome inquiries that combine several part numbers, mixed materials and staged quantities. Whether your search began with "cnc machining service", "cnc machining china", "machining service china", "machining part china" or "china factory cnc machining", the practical answer is the same: send the drawing, state the quantity and the required finish, and our engineers will turn it into a machined part that matches the print.
Typical requests handled every week include CNC machined aluminum enclosures and brackets, CNC milled stainless steel plates and fittings, CNC turned brass connectors and copper flanges, 5-axis CNC machined impellers and robot joint bodies, precision ground 42CrMo gear shafts, hydraulic manifold blocks, special-shape steel guide rails and post-machined zinc die castings — from one-off prototypes to large repeat batches, all delivered as a custom CNC machining service from China.