asahi chemical industry co ltd 33 annual report 1998 for the year ended march 31 focus innovation on technology leadership function 34 page 6 10 housing and construction materials results sales decreased 0 to 424 5 billion operating profit 19 major factors included consumption tax increase which sharply limited demand new homes as well generally stagnant at a glance chemicals plastics increased 2 8 373 9 by 13 of basic such acrylonitrile adipic acid performance performed with exports restructuring resulted in improved operational efficiency highlights n completion cyclohexanol plant expansion methyl methacrylate ecologically sound efficient process operations be expanded through participation solutia inc project long life home concept initiated february 50 inspection system january dynabig piles high rise buildings has been an innovative leader fields petrochemicals