China steel mills caught on the hop by North Korea coal ban - ReutersFeb 19, 2017 . Chinese prices of steel, coking coal and coke all rallied, as traders and . China bought 22.48 million tonnes of anthracite from North Korea in.kllin rotary engine for anthracite coal ex china,Emission factors for carbonaceous particles and polycyclic aromatic .. and polycyclic aromatic hydrocarbons from residential coal combustion in China. . for five coals, which ranged in maturity from sub-bituminous to anthracite.