We Require Coal Tar Oil/ Extract/C.F.O, which is used in manufacturing of Carbon Black.Our orders are 2500-3000 M/T monthly. We do require specs as follow: Density(kg/m3)= 1065 min Viscosity(csi)= 15 Max Na=25 ppm Max K=5 ppm Max Asphaltenes (wt) = 10% max Ash(wt)= 0.075 Max Flash point (C) = 80 min Company Name: Negareye Nokhostin Engineerin Co (NNEC) Street Address: 3rd Floor, No16, Mina St, West Roodbar Ave, Mirdamad Blvd, Tehran City: Tehran Province/State: Tehran Country/Region: Iran (Islamic Republic of) Zip: 1913634718 Telephone: 98-912-2453567