Gpusi is one of the ballast leading manufacturer in China, which is dedicated in researching, developing, producing and selling HID. We pride of ourselves in holding the quality and customers service as our two main priorities over years.We produce all types of ballast and igniters, specially the digital type slim ballast, at the same time, we supply the high performance HID lamps. For the years of hard working and experience accumulating, we achieve the hight reputation in HID xenon lighting products are passed the E-mark, RoHS, CE approval, and certified by ISO9001 quality standard.We will supply excellent products and maintain the quality, even better. We will be available at any time, welcom to contact us, your satisfication is our pursuit