and strive to be the first

——interview with bian hengwen, assistant general manager of shandong bluestar dongda chemical co., ltd. the     the 2011 asia polyurethane exhibition and the ninth china international polyurethane exhibition (utech asia/pu china 2011) ended successfully in shanghai pudong new international expo center this month. during the exhibition, mr. bian hengwen, assistant to the general manager and…