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Find answers to common questions about our products, ordering, and services.
Still have questions? Our team is ready to help.
Contact UsFrom socket to shelf — Chedina produces LED headlight bulbs under your brand. Five production lines, 1,000,000+ units a year, and an in-house photometric lab to prove every single batch.
Pick a proven platform and we build it under your brand. Every model below is in serial production with full socket coverage.
Five engineering dimensions, tuned to your market and your price point.
From 28W economy bulbs to 170W, 25,000-lumen flagships. We tune driver current and LED count to hit your spec sheet exactly.
Copper-core heat pipes, fanless thermal paths and IP-rated sealing — engineered for the climates your market actually sells in.
3000K gold to 8000K ice blue, including dual-color 3000K/8000K switchable models. Bin-matched LEDs for consistent color across batches.
IP67 standard, IP68 on request — critical for markets with heavy rain, snow or car-wash culture.
H1, H3, H4, H7, H11, H13, 880, 9005, 9006, 9007, 9012 — we can build any base in the series, or mirror a sample you already sell.
Our racking and assembly lines are organized by base type, so mixed-socket orders ship complete from a single factory.
Aging racks, assembly lines and a photometric lab — all under one roof in Foshan.
Every bulb burns in on lighted racks for 8+ hours before packing. Failures never reach your container.
Five dedicated lines with ESD-safe workstations run three shifts to protect your delivery window.
Integrating-sphere and goniophotometer testing on every production batch — lumen, color and beam pattern data ships with your order.
From first email to repeat orders — typically 30-45 days door to door.
Send target models, sockets, power and quantity. NDA on request before anything is drawn.
Our engineers confirm feasibility and build samples against your spec within 7-10 days.
You test on real vehicles. We lock the BOM once you sign off — no silent substitutions later.
100% aging test, AQL sampling and photometric reports at every stage of the run.
7-15 days after deposit. Your files stay on our server so reorders repeat exactly.
ISO 9001:2015 certified process, open to third-party inspection at any stage.
Certified quality management across sourcing, production and shipping.
Every unit passes a full aging cycle — the same test that catches infant mortality.
Lumen and color data recorded per batch, so specs hold order after order.
Send us your target models and quantities — you'll have a quote and sample plan within 24 hours.