Nantong Wanrong International Trading Co., Ltd. is a professional enterprise engaged in researching, manufacturing and exporting Amino Acids, Amino Acid Derivatives, APIs and Pharmaceutical Intermediates. We have our own factory located in Shandong Province and two branch offices in Nantong and Kunshan. We have also established very stable cooperation and close partnership with a lot of manufacturers in China. We take "Honesty, Trustworthiness, Mutual benefit" as our company's principle. During the recent years, we are getting great improvement and development both on quality and manufacturing scale. We supply our customers in good and stable quality in accordance with AJI, USP, EP, FCC and in house standards.