Changzhou xiaqing chemical co.,ltd is a leading manufacturer with over 20years' experience on R&D,covers an area of 35000square meters.We mainly produce various materials of Esters,Ketones,Amino acids and pharmaceutical intermediates.Our Professional R&D team(5senior engineers,3engineers and 6 technicians) and marketing elite,advanced production equipment,effective after-sales system ensure the product in high quality and on time delivery.Now our products have been sold in over 50 countries and regions, and we have received good reputation from both in china and abroad. We welcome your inquiry and expect to be your loyal partner