Insights
Specification notes, finish guidance and sourcing advice from the Yanfeng engineering desk.
How to audit a Chinese door hardware supplier without flying there
Nine checks that separ…
Matte black door hardware: why it sells, and how to keep it looking new
The most requested fin…
Zinc alloy, stainless steel or solid brass — what door hardware is actually made of
Why zinc alloy dominat…
Keyed alike, master keyed, or keyed different — planning a keying schedule
The difference between…
ANSI/BHMA Grade 1, 2 and 3 — what the grade actually buys you
The grades are cycle c…
Backset, handing and door thickness: the three numbers that stop an order going wrong
Most retrofit problems…
Choosing a door hardware finish that still looks right in year five
Matte black, satin nic…
Entrance, privacy, passage, dummy — lock functions explained
Eight function codes c…