ONS Industry is Hong Kong enterprises , in 1998,we built a new factory and imported advanced production equipment in Guangdong, D omestic sales and brand promotion center in Shanghai branch, foreign trade marketing center in Guangzhou branch, is a high-tech company specializing in developing and manufacturing car consumption products, which combine Design, Production, Sale and Foreign Trade. Our main products are Modified Sine Wave and Pure Sine Wave Car Power Inverter, Outdoor Power Inverter, Power Inverter with Charger ( UPS ), Industrial and Business Power Inverter, Notebook Charger, Car Mp3, Mp4, Mp5 player, etc. We are the one of the largest and professional manufacturers of Power Inverter in China . Our concepts are “based on faith”, We have perfect management systems of research and development, design, production, computation, test. Committed to providing customers with competitive prices, reliable quality, timely delivery, and good service, we wish to establish long-term business relations worldwide. Thank you very much for your attention in advance. If you have any interested in our products or would like to discuss OEM and ODM service, please feel free to contact us with all your inquiries.