

From Prototype to Production
Validate your design with functional parts in production materials.
- DFM review before machining.
- 100+ materials and 50+ finishes.
- Samples ship in 1–7 days.
Scale approved parts with repeatable machining and inspection.
- Stable programs and fixtures for repeat orders.
- Material traceability and dimensional inspection.
- One schedule for machining, finishing and delivery.

One Manufacturing Partner for Custom Parts
Select the process from the material, geometry, tolerance, quantity and delivery target.

CNC Machining
Multi-axis milling and turning for precise metal and plastic parts.

Wire EDM Machining
Fine slots and controlled profiles in hard conductive materials.

Aluminum Extrusion
Custom profiles with drilling, tapping, machining and finishing.

Molding
Injection molding and overmolding for prototypes and production.

3D Printing
Functional prototypes for fit checks, testing and low-volume use.

Sheet Metal
Laser cutting, bending, forming and welding for fabricated parts.
Drawing-Based Components for Your Assembly
Explore frequently manufactured components or send us your own non-standard design.

Flange Parts
Machined hubs, sealing faces and custom bolt patterns.
Explore flange machining →
Custom Bushings
Sleeve, flanged and threaded bushings for controlled fits.
Explore bushing machining →
Custom Shafts
Straight, stepped and splined shafts with precision journals.
Explore shaft machining →
Custom Gears
Spur, helical, bevel and internal gears made to drawing.
Explore gear manufacturing →Send your drawing, material and quantity for a manufacturability review and project-specific quotation.
One Factory Supporting Projects Worldwide
Weldo coordinates engineering review, machining, inspection, finishing and international delivery for OEM teams from prototype orders through repeat production.

Manufacturing Resources Behind Your Custom Parts
Since 2012, our Dongguan team has supported drawing-based custom parts with coordinated machining, inspection and project management.















Verification for Critical Dimensions
CMM, height gauges, micrometers and calipers are selected according to the part geometry, tolerance and inspection requirements.
Inspection records and material documentation are available when specified in the order requirements.
Custom Machined Parts and Projects
Explore custom metal and plastic parts manufactured from prototypes to repeat production through CNC machining, wire EDM and coordinated finishing.




















Precision Parts for Demanding Applications
Manufacturing support for development, replacement and repeat-production projects.
Aerospace
Lightweight structural, motion-control and precision assembly components.
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Clean, corrosion-resistant and dimensionally controlled equipment parts.
Learn More → Click again to openAutomotive
Transmission, suspension, tooling and prototype vehicle components.
Learn More → Click again to openRobotics & Automation
Shafts, joints, guides, fixtures and lightweight motion components.
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Precision mounts, rugged enclosures, brackets and controlled mechanical assemblies.
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Compact housings, frames, buttons, fixtures and appearance prototypes.
Learn More → Click again to openWhy Buyers Continue Working with Weldo
Buyers value practical engineering feedback, consistent parts, clear inspection records and reliable follow-up.
The 7075 aluminum brackets matched our drawing and assembled without rework. The inspection report made receiving straightforward.
Our stepped shafts arrived on schedule and the bearing fits stayed consistent across the batch.
Weldo coordinated aluminum housings and stainless inserts under one order. Everything was labeled clearly and ready for assembly.
Communication was quick, and the ports on our 316L manifolds were clean and well protected for shipping.
We changed two mounting features after the first sample. The revised enclosures came back with the same finish and fit we approved.
The bronze bushings were separated, identified and packed properly. Our receiving team could move them straight to production.
The hard-anodized pulleys had an even color and clean bores. The team also kept the masked threads free of coating.
The POM guide blocks were flat, smooth and consistent. They dropped into our fixture with no adjustment.
Sharp internal details on the hardened tool inserts were handled well. The critical dimensions were listed clearly in the report.
We ordered a small batch of stainless clevis parts. Hole positions and surface condition were consistent from piece to piece.
The gear blanks and shafts were supplied as matched sets, which saved time during our build.
The aluminum housings looked good, but the best part was the clear CMM report for every critical interface.
The titanium pins were delivered clean, individually protected and within the agreed schedule.
Our second order matched the approved first batch. Drawing revisions and part identification were controlled properly.
The laser-cut and machined brackets arrived flat, deburred and ready for coating. Updates during production were concise and useful.
Customer names are abbreviated to protect their privacy.
Get a Manufacturing Review and Clear Quote
Send your drawing, material, quantity and delivery requirements. Our team will review the project and recommend a suitable production solution.