Price : CALL
3,4-divanillyltetrahydrofuran 95%; (2). This product has been exported to EU, Japan, South -East Asia etc. The specification: scale extract, for examplr, 5:1, 10:1, 20:1, we can also supply other specification, as gentiopicrin, or according to the requirment...
Heilongjiang
daxinganling