Atmospheric aerosol and cloud microphysics detection equipment such as PCASP, CASP, CIP, PIP and other atmospheric aerosol and cloud microphysics detection equipment produced by DMT Company on the aircraft platform of Beijing People's Shadow Center have been in operation for many years, and the equipment has also experienced aging and some failures. To maintain the normal operation of instrument detection, a series of inspection and maintenance, replacement of consumables, optical path calibration and component cleaning need to be carried out before the observation experiment and in the daily business of artificial weather modification, and professional professional technical manufacturers are required to provide support. Hangzhou Qianhai Technology Co., Ltd. is the only sales and after-sales service provider of DMT in China. It is specialized in technology and has cooperated with Beijing Human Shadow Center for many years. Good operation of airborne detection equipment.