Dear Hangzhou Go Top Peptide Biotech Co., Ltd., I am interested in purchasing a box of 10 vials of retatrutide, each 10mg, for research purposes. Please provide: Quote for the order, including shipping costs to USA, Stratford, CT. Third-party HPLC/MS Certificates of Analysis (CoAs) for the batch. Estimated delivery time. Payment and ordering instructions. Thank you, David N.