Shanghai Haoyu Technology CO.,Ltd is was founded in 1996, our company is an enterprise specializing in the manufacture and sale of high, medium and low voltage electrical Circuit Breaker. On the other hand, our company also provides Earthing Switches,Circuit Breaker Pole,Vacuum Interrupter and so no.Our factory has workshops covering an area of more than 10000 square meters and more than 150 employees.Based on high quality, competitive prices, timely delivery, new products, excellent service and flexible business term, we have established long-term and stable business relationships with clients from many countries and regions. In order to meet the global market needs, we continue to expand throughout the world markets for power transmission and distribution. Our devotion to quality and service combined with years of trading experience makes us your ideal business partner.\"Quality First, Customer First\" is our business philosophy. We will try our best to provide high quality products and high quality manufacturing services to satisfy different needs of clients. If you have any new product ideas or concepts, please contact us. We look forward to cooperating with you and providing satisfactory products.