Quality Control
Small batches don’t mean small standards. Every order is checked against your drawing before it ships.
How we check every order
We confirm critical dimensions, tolerances and finishes with you before starting.
The first part is fully measured before the batch continues.
Critical features are checked at set intervals.
Dimensions, threads, finish and appearance checked against the drawing.
Parts protected so finished surfaces arrive undamaged.
Who checks your parts, and what you get
Dedicated QA/QC inspectors
2 inspectors work independently from production, so the person who signs off your parts isn’t the person who made them.
Every part inspected
We inspect all products — or follow your own inspection plan if you have one.
Reports on request
Dimensional inspection and first-article inspection reports with any order.
What we measure with
Coordinate measuring machine (CMM), vision measuring system, Mitutoyo SJ-210 surface roughness tester and hardness tester.
An independently verified factory
Our factory has passed an on-site check for Alibaba.com and holds an SGS supplier verification report (No. 492624647_T, valid to June 2027) covering our production lines, equipment and quality control.
Want to see for yourself? Visit us in Shanghai, or ask for a live video tour of the shop floor and inspection area.
Need a specific inspection plan or report format? Tell us when you send your drawing.
Have a part to make?
Send your drawing. An engineer will reply with a price, lead time and any design suggestions — usually within 24 hours.
- We review your drawing, usually the same day.
- You get a price, lead time and DFM notes.
- We machine a sample for new parts after your approval.
- Production, full inspection and shipping from Shanghai.
Prefer email? Send your files to sales@shcncparts.com