Knowledge

Most European orders that stall are lost to communication rhythm, not to price. Drawing on close to twenty years of OEM eyewear work in Shenzhen, this

Two factories can photograph the same frame and still be quoting different products. An $8 sunglasses price and a $15 sunglasses quote often diverge i

A sunglasses factory audit checks three things that matter and one thing that surprises most buyers. The three: production quality, labor practices, a

Custom sunglasses samples take 7–12 days for a color or logo change, 3–4 weeks for a mold revision, and 5–8 weeks for new TR90 tooling. Real OEM/ODM s

Most new private label sunglasses brands put almost the entire budget into frames and lenses, then stall when packaging, freight, sampling, and testin

OEM vs ODM sunglasses: who owns the design and mold, how quotes are built, sample times, tooling costs, MOQs and lead times, plus contract points for

Most first emails to a sunglasses factory ask for a price. That number only exists after the order has a structure: how many styles, how many pairs an

Component QC passed, frames still crooked? Here's how eyewear production tolerance really works — and the frame tolerance standards Leeyewear holds on

The quality of a custom eyewear frame is never decided by final QC inspection. By the time a quality inspector picks up a finished frame, its overall

Stop overpaying for sheet specs you don't need. A factory-floor guide to acetate thickness, lamination types, surface costs, and MOQ traps for eyewear

Why do two identical acetate eyewear frames differ so much in price? Learn how QC levels, AQL inspection and ISO 12870 testing affect acetate frame qu

Acetate vs injection plastic frames — what's the real difference? This factory guide breaks down how acetate frames and injection molded frames are ma