Raw materials The main materials are silk fiber, Spools, cops, reels and cons. Production Process Hatching of eggs ...

Raw Materials The essential oil content of clove buds, stem and leaves is on average 17%, 6% and 2.5%, respectively. Water or steam dis...

Citric acid can be extracted from the juice of citrus fruits , by fermentation of glucose with the aid of the mold Aspergillus niger and ...