ali sina petrochemical liquid gas, in the international hall, more than 53 thousand tons of products such as pentane plus pars barash petrochemical and pentane, bidbland gas refinery of the persian gulf, and bou ali sina petrochemical graphite, light naphtha, fars star oil company, fanavaran petrochemical methanol, plus 77,800 barrels of heavy hydrocarbons of bo ali sina petrochemical, continue the downward trend in coal prices in global markets , experts increase supply and the decrease in demand is due to the decrease in the price of coal. the decrease in the price of coal started 8 months ago in the range of 455 dollars and continues . range 140 the dollar was traded. the best was definitely the sharp drop in global gas prices, which as an alternative energy actually reduced the demand for coal that the chinese government created for workers in the mines actually caused it to experience an increase of about 6 percent from in india, as one of the most influential countries in the field of coal, we actually had an increase in production equivalent to 8% compared to the previous period. as experts say , with the continuation of the current conditions, the prices of coal in the global coal mar