HAIYAN YONGYUAN LIGHTING FACTORY is a lighting profession manufactory in china for exportion.We had developed HID XENON LIGHT CONVERSION KIT & BALLAST for headlight system, which need high quality and reliability. We can surely guarantee the quality of our product. We are doing commercial equipment business such as HID Ballast and conversion kit, which is using for automobile headlight. Mainly products including :H1,H2,H4,H4(H/L),H7,H7(H/L),9004,9005,9006,9007,9007(H/L) ect. If you have any interested in our products,please do not hesitated to contact us in order to get more detail. Website: E-mail:hyyongyuan2007# .cn Phone:86-573-6038396 Fax:86-573-6024551