Resources & buying guides
Practical guides on brightness, light-source economics and importing from China — written for buyers, integrators and procurement teams.
ANSI lumens vs marketing lumens, how room size and ambient light change the number, and a simple calculator you can use before requesting a quote.
Read article → Technical · 7 min readLamp-free used to mean a premium price. Here is the break-even math for meeting rooms, classrooms and rental fleets.
Read article → Buying Guide · 6 min readWhy UST removes glare and shadow problems, what 0.22:1 actually means, and when standard-throw still wins.
Read article → Sourcing · 8 min readA plain-English checklist for distributors buying their first container — certifications, HS-code considerations, QC and the questions a serious factory should answer.
Read article →Send the spec list — engineering replies with model mapping and documentation availability.