Guangzhou OTTO Electronical Technology Co.,Ltd. is a hi-tech enterprise that is specialized in the development, 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 HID (xenon lamp), the halogen lamp,and so on the vehicle uses the electronic products. We pays much attention to knowledge property protection; 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 products have been approved by incalculable consumers. It has become one of the most famous brands in China.