Known at 8 April, during the voting of 2013-2014 niationwide chemical industry construction method (Ministry class) organized by china chemical industry construction enterprise association, 4 construction methods declared by our company were awarded 2013-2014 nationwide chemical industry construction method (Ministy class); they are storing silo inside unload layer and upside conic node support system comstruction method, hydrogen system step-cool 21/4-Cr-1Mo steel welding construction method, winter concrete embedded electric heating construction method and reformer construction meathod.