Founded in 1994 and attaching great importance to R&D and technology, Zhejiang Dongyang Chemical No.3 Factory is committed to the manufacture of pharmaceutical/dyes intermediates, including 3-(4-Hydroxyphenyl)propionic acid, tyramine, tyramine hydrochloride, N-hydroxyphthalimide and 2-hydroxy-4-amino butanoic acid etc. With cutting-edge technologies, we continually develop new products and services, and strive to become an all-round supplier of chemical products. ...