Profile: Shanghai Zhanshu Chemical Technology Co., Ltd. specializes in supplying biologically active and natural compounds. We offer biologically active compounds such as amentoflavone, bufogenin, guan-fu base hydrochloride, imidocarb dipropionate, pranoprofen, staurosporine and tiliroside. Our natural compounds include acetyl corynoline, acetyl shikonin, aesculetin, alantolactone, allomatrine, andrographolide, apiosylskimmin, arjunic acid, berbamine, carnosic acid and dehydrocostuslactone.