Why I say that is because if you want to do you own led cob grow light that's the place you get them from. I'll post where you get the drivers and the other shit you need.
kingbrite is located in Shenzhen China, established in 2010, Kingbrite is one of the leading factories dealing in led optical research,design and manufacture which are widely used to led lighting, flashlight and car lighting area. They mainly supply LED lens,LED Streetlight lens and LED glass lens. you buy lens from them?
Just a quick news flash for the diy led guys Kingbrite now carries Vero 29 v2 http://kingbriteopto.en.alibaba.com/product/60210990214-801275425/Vero_29_V2_newest_Bridgelux_cob_leds.html