文档介绍：·················································40 ·················································44 ·················································48 4对策··················································50 ············50 ·······················50 ·······················51 、标准化···························54 ,实施品牌战略〃················55 ,加强企业管理·················55 ,推动产品升级·························56 ······································57 ······························57 ······················57 ····························58 ··················