... Units Produced(Previous Year) Coal Tar Pitch, Industrial Naphthalene, Carbon Black Oil, Anthracene Oil, Fluorene ... , UKAS 110910013 Scope: production and sales of Industrial naphthalene, bitumen, anthracene oil, wash oil, ... oil, anthracene oil, coal tar pitch, industrial naphthalene, etc 2012/05/17 --- 2015/05/16 GB ... anthracene oil, coal tar pitch, industrial naphthalene, etc 2012/05/17 --- 2015/05/16