... )2;Organic Electron Materials: TPCD, PCBM, BPMZ, BCB, PTCDA, PTCDI-C4, PTCDI-C8, PbPC, ZnPC, CoPC, SnCl2PC.Independent R&D has ... , and we focus on the new high-performance OLED materials. At present, we have four major categories containing hundreds of kinds ... and stable cooperative relations with domestic and abroad clients. PTCDI-C4, 81-33-4