Zhejiang Hongyi Electric Technology Co., Ltd. specializes in the R&D and production of high and low voltage vacuum devices, ceramic vacuum switch tubes and other products. All products have passed all type tests to ensure product quality, and the company has established a relatively complete quality system, and has passed the ISO9001:2008 quality management system certification and mandatory 3C certification. The products are strictly produced in accordance with the standards of *JB/T8738-2008 Vacuum Arc Chambers for High Voltage AC Switchgear*, *DL/T403-200 Technical Conditions for Ordering 12kv-40.5kv High Voltage Vacuum Circuit Breakers*, and *GB/T11022-1999 General Technical Requirements for Standards of High Voltage Switchgear and Control Equipment*. The products have formed a series with complete specifications, are sold all over the country, and are well received by users. The company not only has all kinds of advanced equipment and testing equipment required for the production of vacuum devices, but also has professional and technical personnel engaged in the research and production of vacuum devices and a workforce with rich manufacturing experience and high quality. The products have reasonable design, advanced technology, strict inspection, fast R&D speed and stable product quality. The company adheres to the philosophy of "people-oriented, efficient, and building a brand through quality", and provides high-quality products and after-sales services for the majority of customers.