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Production, sourcing & quality control in China

Finding a factory is the easy part — getting a factory that actually delivers what was quoted is the hard part. I handle supplier vetting, order management, and QC oversight across CNC, injection molding, SLS, and more.

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From factory quote to shipped product

Finding a factory on a sourcing platform is easy. Finding one that actually delivers the tolerance, material, and finish you were quoted — without cut corners once the order is placed — is the hard part. Communication gaps, factories that quote low and substitute materials, and zero QC oversight are how a "cheap" order turns into an expensive one after a bad batch ships.

This covers the full path from finding a qualified supplier to a shipped, inspected order: sourcing and vetting factories, comparing quotes on an apples-to-apples basis, managing the purchase order through production, and running quality control before anything leaves the factory floor.

Processes covered:

  • CNC machining — aluminum, steel, brass, and engineering plastics
  • Injection molding — from tooling quotes through production runs
  • SLS / SLA 3D printing — for low-volume or bridge production
  • Sheet metal fabrication and die casting
  • Finishing — anodizing, plating, painting, and other surface treatments

Quote to shipment, four steps

01
Supplier sourcing & vetting

Identify and vet 2-3 qualified factories for your specific process and volume — not just whoever quotes the lowest.

02
Quote comparison

Compare quotes on a like-for-like basis — same material spec, tolerance, and finish — and negotiate on your behalf.

03
Production oversight

Manage the purchase order, monitor the production schedule, and catch issues before they become a bad batch.

04
QC & shipping

First-article inspection, in-process spot checks, and pre-shipment inspection before the order leaves the factory.

Deliverables

Vetted supplier shortlist

2-3 factories matched to your process, volume, and quality bar, with real, comparable quotes.

Purchase order management

Full oversight of the order from PO issuance through production to shipping.

Inspection reports

First-article and pre-shipment QC reports with photos and measurements against your drawing.

Logistics coordination

Shipping and customs documentation handled through to delivery at your door.

Ready to move from prototype to production?
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Common questions

What manufacturing processes can you source for?+

CNC machining, injection molding, SLS/SLA 3D printing, sheet metal fabrication, die casting, and common finishing processes like anodizing, plating, and painting.

I already have a factory quoting me — can you just handle QC?+

Yes, QC-only engagements are common — first-article inspection, in-process spot checks, or pre-shipment inspection, without taking over supplier sourcing.

How do you actually vet a factory before committing to an order?+

Reviewing their equipment list and process capability against your part's requirements, checking references or past work samples, and where useful, having a trusted local contact do an in-person facility visit before a large order is placed.

What happens if a batch comes back with quality problems?+

Pre-shipment inspection is specifically meant to catch this before the batch leaves the factory — problems get flagged and the factory reworks or replaces defective units before you pay the final balance or the shipment departs.

Do you charge a commission on the factory price, or a flat fee?+

A transparent flat management and QC fee agreed upfront — not a hidden markup on the factory quote. You see the real production cost the factory charges, which keeps incentives aligned toward the best supplier rather than the most expensive one.

Let's build this

Ready to source, produce, or inspect a run in China? Send over the part details and target volume.

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