EMS Knowledge Center
Manufacturing answers that help teams make better decisions.
Built from real factory, sourcing and engineering questions instead of generic SEO filler.
What happens when centroid data is wrong?
How placement data errors surface, what an EMS should verify and where responsibility should be controlled.
4-layer FR4 vs 2-layer aluminum core PCB
How to compare heat dissipation, manufacturability and total cost instead of comparing PCB price alone.
Does a low-volume PCBA need a dedicated test fixture?
A decision framework based on annual quantity, cycle time, risk and repeatability.
How should an EMS factory control solder paste?
Cold-chain receipt, IQC timing, thawing, usage window and process discipline before printing begins.
Have Gerber, BOM and assembly files ready?
Send your released files and manufacturing requirements. Qtech can review manufacturability, sourcing and test execution before quotation.