The diaphragm compressor is determined by its structural characteristics. It is widely used to compress and transport various high-purity gases, precious and rare gases, toxic and harmful gases and corrosive gases. As an irreplaceable positive displacement compressor, it will follow the progress and development of science and technology and the people’s living standards. Continuous improvement will have more extensive applications. The main application areas of diaphragm compressors are: nuclear power, nuclear energy, food and medicine, petrochemicals, electronics industry, materials industry, national defense and military industry, and scientific experiments.