DENOIR has been working on R&D，manufacturing and sales since 2005. Its main products like IPA and Ammonium hydroxide reach the top level in the world. In 2007, Denoir became the first qualified vendor for 12 inches Fab of IC in China. Recently Denoir’s products and professional services have being earned a high reputation in customers.

      Right now, the capacity in Denoir is 6000 tons/year, and it would be more than 10000 tons/year after second phase, which includes 5000 tons/year of ultra pure ammonium hydroxide. Denoir products could be widely used in IC, TFT-LCD, hard disc, wafer polishing/cleaning, solar cell industry, optical apparatus and fine chemicals manufacturing etc.

     Upon the certifications of ISO9001/14001, all standard operations and quality control system have been established，which guarantee effect of manufacturing, high quality and professional services for our customers.

     DENOIR always stick on precision, remarkable quality, and make big efforts on Denoir’s Brand. Moreover, DENOIR would like to focus on market and to greatly benefit our customers with the advanced management, significant technique, best quality and satisfied services.