We, U&D Environmental Equipment Technology Co., Ltd, are a leading manufacturer of fine and coarse bubble diffusers based in China. Our company produces fine membrane bubble diffuser over 15 years, 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. The world leading industrial companies such as Coca Cola, Nestle, AECOM, VEOLIA, 2EO, MWH, Weyerhauser Paper, Conoco Philips, Chevron, and Saudi Aramco are clients in multiple countries, to name a few. U&D have agent and warehouse in Europe (Danmark/Spain), and Brazil (Sao Paulo).