for the following products
(5a,11b)-11-[4-(Dimethylamino)phenyl]-5,17-dihydroxy-19-norpregn-9-ene-3,20-dione cyclic bis(1,2-ethanediyl acetal) and 3,3,3,20,20-bis-(Ethylene-dioxy)-5a, 17a-dihydroxy-11b-[4-(N,N-dimethylamino)-phenyl]-19-norpregna-9(11)-ene
Dayang Chem (Hangzhou) Co.,Ltd. is a comprehensive entity which specializes in development, production and trade of pharmaceutical, agrochemical and dyestuff intermediates as well as some special type reagents. We have an own factory and share enterprises. We act also as agent of many chemical factories and promote their products to the international market at very competitive price.
We take "Credi first, Clients supreme" as our aim. We expect to cooperate with more partners in the world...
