Continuous flow microreactor uses a unique internal structure to form rapid turbulent flow of internal materials, which can improve fluid mixing, enhance mass transfer and heat transfer, and is suitable for multi-phase reactions and reactions under high-risk or harsh conditions. According to different scenarios Providing one-stop customized services aims to shorten reaction time, reduce resource waste, improve product quality and purity, eliminate safety risks, reduce environmental pollution, and achieve seamless scale-up from laboratory to industrial production. Yuanhuai continuous flow microreactor can perform reactions under a variety of different reactor types and conditions. The modular system components are flexible and easy to use and are suitable for sulfonation, format, hydrogenation, nitration, oxidation, esterification, and diazotization. Such reactions are widely used in fine chemicals, pharmaceutical intermediates, nanomaterials, polymer materials and other industries.