We, Seo Kwang Light Corporation, are one of the leading manufacturer and exporter with an emphasis on high quality fluorescent bulbs such as D(Daylight), CW(Cool White), WW(Warm White), BLB(Black Light Blue) and BL(Black Light). In case of U-Type bulbs, we can provide from 6 watts to 50watts.We pay full attention to strong package, good quality and timely shipment. We also would like to point out that our technical and marketing staffs provide the best service, before and after sales.And we also specialize in manufacturing UVA lamps for an insect killer, bug zapper