In order to give you convenience and enlarge our business, we also have inspectors in QC Team and assure you our best service and product for Hexamethylenediamine, , , ,. We have ISO 9001 Certification and qualified this product .over 16 years experiences in manufacturing and designing, so our products featured with best quality and competitive price. Welcome cooperation with us! The product will supply to all over the world, such as Europe, America, Australia,Melbourne , Belgium ,Mauritius , Juventus .Now we've been sincerely consider to grant brand agent in different areas and our agents' maximum margin of profit is the most important thing we care about. Welcome all of the friends and customers to join us. We have been ready to share win-win corporation.