86-29-89181548
Unit 2, Bldg. 5, Gaoshan Liushui Hecheng, Taibai South Road, Yanta Dist., Xi'an, Shaanxi, China (Mainland)
Factory Supply Best Quality L-Tryptophane 99%, US $ 22 - 80 / Kilogram,L-Tryptophane, Powder, Other.Source from Xian Aladdin Biological Technology Co., Ltd. on Waimaotong.com.