Hubei Aosina Chem Technology Co.,ltd mainly produce and export high quality pharmaceutical intermediates for research and lab use ,such as BK-EBDP, HEXEN, FUB-AMB,CEC, 4-CEC, 5F-ADB, 4C-PVP 4F-PHP NM2201, 4clpvp, CDC, DIBU, fubamb, mpd... If you require, contact with us ,we can send the latest and lowest price for you .let the products prove by itself . for your valauble time ,waiting for your fruther informations .welcome to contact us: anna@aosinachem.com