OTTO Electrical Technology Co., Ltd. is a hi-tech enterprise that is specialized in the deve-lopment, production and sales of HID. the collection scientific research development, the production manufacture, the marketing service are a body modern high tech stock-company type enterprise, the main camp product has xxxxx (HID xenon conversion kit), LED lamps, and so on the vehicle uses the electronic products. We pays much attention to knowledge property prote-ction; and holds a full set technology of producing HID Ballasts. Our company has applied several patent technologies; and has passed many strict tests and certifications. Its produ-cts have been approved by incalculable consumers. It has become one of the most famous brand in China. Our company successively introduces complete know how of HID ballasts