Dear purchase manager , Glad to hear that you are on the market for LED commercial lighting . Shen Zhen beson has been the forefront of led industry, We not only have got many cerficiations ,such as CE, ROHS, FCC, PSE, but also got many national patents.Hope to wstablish business relationship with you ! Should you wanna know more about our company ,pls visit www.beson.hk.Any demands,pls contact us .FREE SAMPLES will be sent on request .