Based on research team in Xi`an Jiaotong University, Xi?an LumChem Optoelectronics materials LTD.,Co. was initially established in 2009. Combining the extensive knowledge in the field of OLED and semiconductor, our engaged team of scientists and technicians is able to develop and produce various materilas of OLED, DSSC and Organic Intermediary. We can supply  high quality materials with  purity above 99.5%(after sublimation ) and purity above 98%(crude),and we also give counsel about device preparation and coopration.