Shandong Haiyu Electric Power Co., Ltd. is located in the historic and cultural city of Qingzhou, Shandong Province. It was established in 2003 and is mainly engaged in the research and development, production, sales, and construction and installation of power facilities such as energy-saving transformers, box type substations, and complete sets of high and low voltage switchgear. At present, we have 5 national invention patents and 26 utility model patents, and have been awarded the title of National High tech Enterprise. We are also a member of the China Electrical Equipment Industry Association. The company currently has more than 200 employees, including 38 professional and technical personnel and 4 senior engineers. It integrates scientific research, production and operation, adheres to the concept of excellence, pursues the development goal of becoming bigger and stronger, and strictly improves management and technological innovation in accordance with ISO9000 quality management system standards. The company has modern production equipment, advanced product testing equipment and complete new process dedicated supporting devices. based on the actual development, it utilizes its own advantages to provide reliable guarantees for manufacturing products with advanced performance, novel structure, low loss, low temperature rise, low noise, impact resistance and short circuit resistance. We are currently collaborating with Shandong University, Shanghai University, and Qingdao University to introduce outstanding talents with doctoral and master's degrees from the college, actively researching and developing new insulation materials for transformers, new box type substations, and efficient and energy-saving power transformer equipment. The company adheres to the principle of "integrity-based cooperation and win-win", upholds the quality policy of "developing with quality and surviving with reputation", and takes "adhering to sincere service and winning the trust of customers from all over the world" as its business philosophy. It always insists on winning the market with first-class quality and first-class service. Its products are exported to more than 20 provinces, municipalities, and autonomous regions, and exported to more than ten countries and regions.