Quality Control
Sample Rounds: How Many You Need Before Production
How many rounds of product samples from China you actually need before mass production, what each round should prove, and…
Quality Control
Inspections, audits, AQL sampling and lab testing for orders made in China.
21 guides
Quality Control
Claw Machines from Panyu: Faults We Catch Before They Ship
The defects our inspectors find in Panyu claw machine factories, and the burn-in and calibration tests worth running before…
Quality Control
Quality Inspection for Leather Belts: Catching Defects in Shiling
Learn how inspection works when you import leather belts from China: edge paint, buckle plating, pull tests and AQL sampling…
Quality Control
Import Paperwork and Compliance Basics for Your China Orders
Which import paperwork China orders really need, from invoices and bills of lading to test reports, and who prepares each…
Quality Control
How to Verify a Reliable Agent in Guangzhou
A complete guide for importers, brand owners, and sourcing professionals who want full transparency when working with agents…
Quality Control
How to Verify a Guangzhou Factory in 48 Hours
Guangzhou's industrial clusters are huge; some companies are real factories while others are trading offices. If you don't…
Quality Control
AQL Explained: Sampling Plans for Pre-Shipment Inspections
AQL stands for Acceptable Quality Limit, a statistical tool used in quality control to determine how many defects are…
Quality Control
Factory Audit Checklist:
A factory audit gives you a clear picture of a supplier's production capabilities and product quality. It focuses on the…
Quality Control
Lab Testing 101: CE, UKCA, FCC, RoHS & REACH
When you're sourcing products in Guangzhou for export, regulatory compliance is not optional. Each region of the world…