KangZan Chemical Co.,Ltd specializes in the researching,developmenting,producing and trading,expecially the technology of JHW series of intermediates advanced in the world. P-TOLUENSULFONICACID,2-AMINO-5-CHLOROPYRIDINE,N/A,N-[9-[[2-(ACETYLOXY)-1-[(ACETYLOXY)METHYL]ETHOXY]METHYL]-6,9-DIHYDRO-6-OXO-1H-PURIN-2-YL]ACETAMIDE,,L-PYROGLUTAMIC ACID,PRASUGREL are supplied. The produces have high quality and competitive price.Hope to cooperate with you. canty-du(at)hotmail(dot)com