86-317-5679918
Room 1101, Bohaizixin Building, Beijing Road, Yunhe Area, Cangzhou, Hebei, China (Mainland)
High quality l-threonine feed grade with best quality, US $ 1200 - 1400 / Ton, 72-19-5, L threonine 98.5% feed grade, C4H9NO3.Source from Pangoo Biotech Hebei Co., Ltd. on Waimaotong.com.