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 principl...