Zhongrui Electric Co., Ltd. is located in Yueqing, the "Capital of Chinese Electrical Appliances", and was founded in 2000. The company now has a production plant of 22,000 square meters, more than 100 major production equipment of various models, more than 220 employees, including 22 special research and design personnel, 21 senior technicians, and 32 junior and intermediate technicians. It has a high-voltage test hall and is equipped with complete and advanced testing equipment. It is a high-tech enterprise integrating production, research and development, and sales. It sells more than 1 million insulators of various types annually. It is a professional manufacturer of composite insulators in China, a member enterprise of the China Electrical Equipment Industry Association, a member unit of the National Insulator Standardization Technical Committee, a recommended enterprise in the "Product Selection Catalog for National Power Grid Construction and Reconstruction", a contract-abiding and trustworthy unit, an ISO9001:2000 quality system certified enterprise, and has established long-term cooperative relations with relevant scientific research institutions.