Our company has been engaging in producing HID Xenon Conversion Kit in 2001.we have a big factory which had formed the certain Specification. Welcome to visit our factory in your convenient time, our "HOGONG" ballast is made with Philip IC inside. Besides, some components in the ballast are adopt Siemens of Germany and IR of America, which enables the ballast work extremely stably and intelligently. For the well Renowned quality and the after service, it is quite smoothly our distributors can sell it at very competitive price