Price : CALL
6,7-dihydroxybergamottin 45%; (3). 3,4-divanillyltetrahydrofuran 95%; (2). 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 of our clients.
Heilongjiang
daxinganling