We are a professional HID conversion kit/ HID ballast manufacture with 4years experiences in china,Offering over 30.000kits/month HID conversion kits.The quality of our products is top 4 grade in this area. Our ballast's quality is good and the performance is very stable. Our ballast's starting current is just about 5.6A, lower than others, which will extent the lifespan of the xenon bulb two times. With powerful short circuit protection, our ballast can make a response to the short circuit within 3 seconds.  We specialized in research and development of high quality, energy saving, and long life auto HID xenon light products.The HID kit materials of the ballast are adopt TOSHIBA,PANASONIC of Japan,MICROCHIP, IR,ST,TI,ON of USA and PHILIPS of Netherlands.