U&D Environmental Equipment Technology Co., Ltd, is a leading manufacturer of fine membrane bubble diffuser, impellers, mixers, UV disinfection. We specializing in producing water treatment equipment and undertaking wastewater treatment projects, integrating design, scientific research, development, construction and test into a comprehensive entity.

U&D brings to the table patented technology which has proven advantageous in municipal and industrial applications with a significant body of research and experience behind it from other markets. These include EPDM and Silicon diffusers with US and European patents in force and some patents pending.