We re one of the professional manufacturers in China in developing and manufacturing various kinds of HID CONVERSION KIT, such as Xenon HID Kits, Ballast, xenon bulbs, and other related electronic products. We have our own brand :NAO, ALASD and 5D, also with a professional team in developing and marketing. We use the new technology and equipment from Japan, South Korea, and Germany, implement the new modern science in pipelining, strictly running the factory in accordance with ISO9002 quality system, in order to ensure the best quality of every product