9,9'-Spirobi[9H-fluorene]-2,2'-diamine, N2,N2'-bis(4-fluorophenyl)-

Zhengzhou Mateiral CO., LTD. Dedicating in the development and production of Phosphorus Ligands Proficient in the formation of aryl C-C bond and C-N bond by the Suzuki coupling and Buchwald-Hartwig amination reactions Applicating in the R&D and production of OLED intermediates and new functional materials One of the leading manufacturers of Phosphorus Ligands and Reliable service provider of coupling solutions in China.