Propylene glycol is a synthetic food additive that belongs to the same chemical group as alcohol. It is a colorless, odorless, slightly syrupy liquid that is a bit thicker than water. It has ...

SMM Exclusive: China Metals Output In February And Forecast For March The resource volume of the Coroás rare earth mine in Brazil increased by 150%. China Northern Rare Earth: Pr-Nd and Other Rare ...