HID lamp with reasonable price, haiyan yongyuan lighting factory is a mainly manufacture in china.we produce HID with severl types,such as :H1,H2,h4, H4(H/L),H7,and 9004, 9004(H/L),9005, 9006,9007,9007(H/L).each product is cost the same price except H4(H/L),9004(H/L),9007(H/L).if you have any question please contat us immediately.we will try our best to help you slove the problem. E-mail:hyyongyuan2007# .cn website: MSN:skye_52088#