Featured · Engineering
Apr 20, 2026
GD&T In-Depth Analysis: Understanding Geometric Dimensioning and Tolerancing
A comprehensive guide to GD&T symbols, rules, and how proper tolerancing improves manufacturing quality and reduces cost.
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20+ Years of Precision Manufacturing
China Custom CNCMachining &Manufacturing Partner
Custom CNC machined parts for engineers worldwide. Precision CNC machining services in Dongguan, China, from single-piece prototypes to 10,000+ unit production runs.
- Tolerance to ±0.005 mm
- Quote in 1-12 hours · DFM included
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Quick answer
Ginwate is an ISO 9001 and 14001 certified CNC machining manufacturer in Dongguan, China, making custom milled, turned, and 5-axis precision parts to ±0.005 mm tolerance, with no minimum order and quotes in 1 to 12 hours.
Custom CNC Machining Services in China
Ginwate is a custom CNC machining manufacturer in Dongguan, China, producing precision machined parts to tolerances as tight as ±0.005 mm. We run CNC milling, CNC turning, and 5-axis machining across aluminum, stainless steel, titanium, brass, and engineering plastics, with no minimum order quantity and ISO 9001 + 14001 certified quality. Upload your CAD drawing for a quote in 1 to 12 hours.
Explore our services:Production Clients
Trusted by the names below
Delivered to 50+ countries via DHL, FedEx and UPS with full export documentation.
200+
Global OEM Clients
50+
Countries Served
20yr
Operating History
Common challenges we solve
CNC Machining Problems We Solve for Engineers
Four common CNC machining problems that cause rework, late deliveries, and rejected parts, and the process we use to avoid each one.
Parts that don't fit because of setup errors
Stacking error · multi-face machining
Most shops re-fixture between operations, every reset adds 5-15µm of stacking error. We program mill-turn one-setup wherever possible and inspect at every transition.
Thin parts that warp during machining
Stress release · thin-wall deformation
Aluminum 6061 and 7075 warp without the right roughing/stress-relief sequence. Our process plans separate heat input from finishing passes so the part stays flat.
Coatings that throw off your dimensions
Anodize · electroplate · surface treatment
Type II anodize adds 5-15µm per side. Type III adds up to 50µm. We pre-compensate machined dimensions so the finished, plated part hits drawing, not the bare blank.
Questions caught too late, deadlines slip
Communication delay · DFM caught too late
Issues found mid-production cost weeks. Our engineers DFM-review every quote within four hours and flag tolerance, datum, or material questions before kickoff.
What We Build
CNC Machining Services + 5 More Processes Under One Roof
CNC machining, injection molding, 3D printing, sheet metal fabrication, surface finishing, and assembly. Six in-house manufacturing processes, every tolerance held without a hand-off.
01
CNC Machining
3-axis, 4-axis & 5-axis CNC milling and turning. Tolerances to ±0.005mm on metals, plastics and composites.
3·4·5-Axis±0.001mm
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02
Injection Molding
Prototype and production plastic injection molding. Rapid tooling in as little as 7 days.
ABS · PC · PATooling
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03
3D Printing
SLA, SLS and FDM rapid prototyping. Functional prototypes in 24-72 hours.
SLA · SLS · FDMRapid
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04
Sheet Metal Fabrication
Laser cutting, CNC bending, welding and punching. Steel, aluminium, copper and more.
Laser · BendWeld
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05
Surface Finishing
Anodizing, electroplating, powder coating, sandblasting, polishing and custom paint.
Anodize · PlatePolish
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06
Assembly Services
Sub-assembly and full product assembly with component sourcing and quality inspection.
Sub-assemblyQC included
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Sectors We Serve
CNC Machined Parts for Aerospace, Medical, Automotive & Industrial
Aerospace seals. Medical implants. EV battery housings. Semiconductor handling. Where precision CNC machined parts ship into critical systems, Ginwate is there.
Aerospace
Aerospace & Defence
Precision parts for drones, aircraft structures, and navigation systems with strict quality requirements.
Automotive
Automotive
High-volume CNC components for automotive OEMs and tier-1 suppliers across global supply chains.
Medical
Medical & Healthcare
Biocompatible precision parts for surgical instruments, implants, and diagnostic equipment.
Electronics
Consumer Electronics
Tight-tolerance housings, brackets, and heat sinks for consumer electronic products.
Robotics
Robotics & Automation
Structural and motion components for industrial robots and automated assembly systems.
Industrial
Industrial Machinery
Durable CNC parts for pumps, valves, and heavy industrial machinery.
Smart Home
Renewable Energy
Precision components for renewable energy systems, wind turbines, and solar infrastructure.
Real engineering, real parts
Real CNC Machined Parts, Engineering Drawings & 3D Models
Twenty-four of the forty-one CNC machined parts we drew, dimensioned and machined for clients across medical, robotics, aerospace and industrial sectors, real precision CNC machining work, not stock photos.
See all 41 drawings
Locating block · ±0.02 mm GD&T
Robot joint housing · 6-bolt mount
Drive pulley · Ø44 hub
Mounting bracket · Cr-Mo alloy
Surgical fixture plate
Arm linkage · R30 form
Structural component · Ti-6Al-4V
Pump body · machined casting
Implant guide · biocompatible
Servo bracket · 8-bolt pattern
Aviation hardware · Mil-Spec
Heavy-duty mount · 4140 steel
Bone-plate template
End-effector mount
Engine accessory bracket
Shaft adapter · keyed bore
Endoscope housing
Encoder housing
Manifold block · 6 ports
Surgical jig · multi-hole
Gripper base plate
Bearing housing flange
Bone-screw locator
Dental abutment fixture
Locating block · ±0.02 mm GD&T
Robot joint housing · 6-bolt mount
Drive pulley · Ø44 hub
Mounting bracket · Cr-Mo alloy
Surgical fixture plate
Arm linkage · R30 form
Structural component · Ti-6Al-4V
Pump body · machined casting
Implant guide · biocompatible
Servo bracket · 8-bolt pattern
Aviation hardware · Mil-Spec
Heavy-duty mount · 4140 steel
Bone-plate template
End-effector mount
Engine accessory bracket
Shaft adapter · keyed bore
Endoscope housing
Encoder housing
Manifold block · 6 ports
Surgical jig · multi-hole
Gripper base plate
Bearing housing flange
Bone-screw locator
Dental abutment fixture
Dental abutment fixture
Bone-screw locator
Bearing housing flange
Gripper base plate
Surgical jig · multi-hole
Manifold block · 6 ports
Encoder housing
Endoscope housing
Shaft adapter · keyed bore
Engine accessory bracket
End-effector mount
Bone-plate template
Heavy-duty mount · 4140 steel
Aviation hardware · Mil-Spec
Servo bracket · 8-bolt pattern
Implant guide · biocompatible
Pump body · machined casting
Structural component · Ti-6Al-4V
Arm linkage · R30 form
Surgical fixture plate
Mounting bracket · Cr-Mo alloy
Drive pulley · Ø44 hub
Robot joint housing · 6-bolt mount
Locating block · ±0.02 mm GD&T
Dental abutment fixture
Bone-screw locator
Bearing housing flange
Gripper base plate
Surgical jig · multi-hole
Manifold block · 6 ports
Encoder housing
Endoscope housing
Shaft adapter · keyed bore
Engine accessory bracket
End-effector mount
Bone-plate template
Heavy-duty mount · 4140 steel
Aviation hardware · Mil-Spec
Servo bracket · 8-bolt pattern
Implant guide · biocompatible
Pump body · machined casting
Structural component · Ti-6Al-4V
Arm linkage · R30 form
Surgical fixture plate
Mounting bracket · Cr-Mo alloy
Drive pulley · Ø44 hub
Robot joint housing · 6-bolt mount
Locating block · ±0.02 mm GD&T
Inside the Shop
Precision CNC Machining Equipment, 200+ Machines, ±0.005 mm
Five-axis CNC machining centers. Wire EDM. CMM inspection. Every machine on the Dongguan floor was chosen for one job, and tolerance is held end to end.
Tight Tolerances
Achieve ±0.005mm tolerances across complex geometries.
Fast Lead Times
Prototypes in 3-5 days. Production runs in 7-15 days.
Wide Material Range
50+ metals, plastics, and composites in stock.
Rigorous QC
CMM inspection, material certs, and full traceability.
200+
CNC Machines
±0.001mm
Tight Tolerances
24/7
Fast Lead Times
Equipment 01 / 05
Engineer Notes
CNC Machining Guides by Senior Engineers
Tolerance tables, material picks, DFM tips and CNC machining best practices. Written by the engineers who run the machines.
CNC GuideApr 10, 2026
GWT Symbols Complete Guide to CNC Machining Operations
From 3-axis to 5-axis machining, learn how to select the right CNC process for your part geometry and material requirements.
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QualityMar 28, 2026
Capabilities GWT: How to Measure and Report CNC Process Capability
Process capability (Cpk) is essential for ensuring your CNC supplier can consistently meet your tolerance requirements.
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Frequently Asked
CNC Machining FAQ, Materials, Tolerances, Lead Times
Twelve frequently asked CNC machining questions covering tolerances, materials, file formats, shipping, and what to expect when you send us a drawing for quote.