We are Haozhan Electronic Technology Co., Ltd is a real factory for make Conversion Kit and HID accessories product in china . The major products and business of Haozhan Electronic Technology Co., Ltd is including: HID Conversion Kits , H1, H3, H4, H4, H7, H11, 9004(HB1), 9005(HB3), 9006(HB4), 9007(HB5) D2S and D2R, 9004H/L, 9007H/L, H4 H/L Coming by 4 years experience for development and manufacture HID product we become a high making and youthful technological ***** more we possess modernized workshop, advanced equipment for manufacture , exact technology for testing the production and management , which ensure the high quality of our product and high quality of our service We can empolder , design and produce the HID for customer and OEM cooperation business for competitive price . Our product have get many patent in China , the capability quality is stand in front of craft brother in China . Our promises: we free for maintain and replacing it for the problem of quality within one year after purchase our product.