Beijing Aerospace Micro Electric Technology Co., Ltd. (formerly Beijing Changfeng Micro Electric Technology Co., Ltd.), located in the industrial zone of the second Academy of Astronautics, Yongding Road, Haidian District, Beijing, is subordinate to the 23rd Institute of the second Academy of China Aerospace Science and industry group. It is a high-tech enterprise in Beijing, a high-tech enterprise in Zhongguancun and an innovative enterprise in Haidian District. The company has passed gjb9001b and ISO9001 quality system certification, It is a supporting unit for the development of electronic components (components) designated and recognized by the Bureau of science, technology and industry for national defense of the General Armament Department. The company has four major specialties: microwave passive (SAW devices, LC filters, cavity filters, LTCC filters, MEMS filters, thin film ceramic filters, ferrite devices, etc.), RF microwave (microwave components), EMC products and services (EMI filters, power supplies, EMI services, EMI materials) and sensors (sensors, composite sensor modules, etc.). The company's products are widely used in radar, spacecraft, launch vehicle, satellite, remote sensing and telemetry, electronic countermeasure, communication and other equipment. It is a qualified supplier of Aerospace Science and technology, aerospace science and industry, China Electronics Technology, aviation industry, China Shipbuilding Heavy Industry, Engineering Physics Research Institute and other groups, and has maintained good cooperative relations with the backbone research institutes of various groups for a long time. Every year, the company undertakes a number of key national defense engineering research and development supporting and technical research projects, including pre research, new products, series type spectrum and Yugao. The company's products have stable performance and high reliability, and has long adhered to the concept of active action and win-win cooperation to better serve customers