Chengdu Pukang is one of the most professional manufacturers for AEEA series with good quality and better price. We have more than 10 years experience for producing AEEA and now the batch size can reach 200kg per batch.AEEA is a single component product, with minimal ethylenediamine impurity. The product is water-soluble, clear, colorless, and slightly viscous. An ammonia-like odor is typical of the product. Can be used for long acting peptide side chains and PEGs.