The essential oil is produced by a reliable factory certified by ISO 9002. Some specifications are as follows: (1)Appearance:orange to red (2)Odour:fresh sweet and orange-like (3)Refractive index:1.4680 to 1.4880 at 20 degrees centigrade (4)Optical rotation:+88 to +96 degrees (5)Specific gravity:1.4800 to 1.8550 g/cm3 (6)Aldehyde:min 0.5% to 0.7% We can provide over 20 metric tons of this essential oil at favourable price and in controlled quality.