Beijing Chengyu Specialty Chemical Co. Ltd.
Profile: Chengyu Specialty Chemical Co Ltd manufactures indole chemicals and curatorial intermediates. Our product includes indoline, 10methylindole, 1-butyl-2-methylindole, 4-nitroindole, 4-fluoroindole, fischr's aldhgde and 5-chloro-2-methylene-2.3.3-trimethylindoline. We are accredited with ISO 9001:2000 and ISO 14000:2004 standards.