COA of polyhexamethylene guanidine hydrochloride 57028-96-3 COA of polyhexamethylene guanidine hydrochloride 57028-96-3 By Haihang Chemical|2020-12-25T11:53:52+08:00December 25th, 2020|Comments Off on COA of polyhexamethylene guanidine hydrochloride 57028-96-3 Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail About the Author: Haihang Chemical