sahndong Huijin Chemical co.,Ltd .is a chemical researching,developing and manufacturing enterprise.it is located in Dongying city,shandong province.weare one of the leading manufacturers of Dimer acid,Polyamide resin,Hot -melt adhesive,Reactive polyamide resin,T-31 curing agent and Monomer acid in china we have 570 staffs,include technical person 96,As an ISO9001;2008 quality system approved and I/E licensed company,we now produce and export our high quality products to our customers all over ...