２００２年１月１５日，山东天府集团生产的“一枝笔”莱阳梨汁饮料通过中国消费者协会认定，获得“全国绿色食品消费者满意单位”称号。这是继“一枝笔”莱阳梨汁饮料获得国家环保总局及全国饮品企业环境质量管理审核委员会认定的“绿色饮品”，及国家卫生部认定的“保健饮品 January 15, 2002, Shandong Tianfu Group produced “a pen” Laiyang pear juice drinks through the Chinese Consumer Association identified as “National Green Food Consumer Satisfaction Unit,” the title. This is the “Green Pencil” awarded by the State Environmental Protection Administration and the Environmental Quality Management Audit Committee of the National Beverage Enterprise following the “One Pen” Laiyang Pear Juice Beverage, and the “Healthy Drink” certified by the Ministry of Health