Greenhouse LED Grow Lights: China Sourcing
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Commercial greenhouse and vertical-farm growers source full-spectrum LED grow lights from China for the efficacy-per-dollar gap versus US/EU brands. The metric that matters is photosynthetic efficacy in µmol/J — credible China-made fixtures now reach 2.5-3.0 µmol/J using Samsung or Osram diodes, while cheaper units quoting only watts often hide poor real PPFD. MOQs typically start around 50-100 fixtures with 25-40 day lead times.
When sourcing grow lights, ignore the marketing wattage and ask for an independent PPFD map and the diode bin/brand. We verify driver brand (Mean Well or Sosen), IP65 rating for humid greenhouse air, and that the quoted efficacy is measured, not extrapolated.
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FAQ
What efficacy should a good greenhouse LED hit?
Aim for 2.5 µmol/J or higher. Anything quoted only in watts with no µmol/J figure is a red flag — it usually means the real photon output is low.
What is the MOQ and lead time for OEM grow lights?
Expect 50-100 fixtures for an OEM order, sometimes lower for stock spectra. Lead times run 25-40 days plus shipping, longer if you customize the spectrum or housing.
What certifications do greenhouse LED fixtures need?
For the EU you need CE and RoHS; for North America, UL or ETL listing for the wet/damp location. DLC listing helps with US utility rebates and is worth requesting.
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