J&D has been committed to the basic research and application development of air purification/water purification technology since its establishment. The R&D center has more than 50 professional R&D personnel in formula development, material development, product design, testing and evaluation, and has introduced multiple professional experimental instruments and equipment from the United States and Germany. It can conduct various experiments according to customer needs according to relevant standards in China, the United States, Europe, etc. The laboratory has obtained national CNAS certification in 2018, and the R&D center actively participates in the formulation of several national standards such as GB18801-2022, providing customers with the most advanced product technology and industry trends.