Ningbo Roger Biotech Co., Limited (RG BIOTECH) is located in Ningbo city, which is a port city of the most active economy in southern wing of Changjiang Delta and along Eastern seashore. RG BIOTECH is a research-oriented, innovative company who is dedicated to design, develop and distribute fine organic chemical materials and intermediates, specially polyethylene glycol (PEG) bio-reagents, such as PEG linkers. Based on our professional and advanced technology in the field of biochemistry and p...