http://www.sinocoalchem.com/ In 2004, the 1st-phase coal bar processing capacity reached 150,000 tons; in 2007, the 2nd-phase wash oil deep processing capacity reached 50,000 tons; in 2008, the 3rd coal tar processing capacity reached 450,000 tons; in 2011, the 4th polycarboxylic acid project was put into production, and the designed annual output reached 50,000 tons; in 2012, the phthalic anhydride processing capacity reached 80,000 tons. At present, the company ranks the leading position in China, the second place in Asia and top ten in the world.