... natrual Low temperature, high effiency,high selectivity, no pollution Clove Bud Oil,Essential oil, Natural plan extractSFE-CO2 extraction, green and ... natrualLow temperature, high effiency,high selectivity, no pollution. Clove Bud OilPrincipal components: eugenol, aceteugenol, caryophyllene and so on.functions: Pain ...