预拌商品混凝土专业企业资质分为二级、三级。二级资质标准 :1 商品混凝土年产量 10万立方米以上 ,产品质量合格。2 企业经理具有 5年以上从事工程管理工作经历或具有中级以上职称 ;技术负责人具有 3年以上从事商品混凝土生产工作经历并具有相关专业中级以上职称 ;财务负责人 The qualification of ready-mixed commercial concrete enterprises is divided into two grades and three grades. Secondary qualification standards: 1 The annual output of commodity concrete is more than 100,000 cubic meters, and the product quality is qualified. 2 The enterprise manager has more than 5 years of experience in engineering management or has a mid-level or higher professional title; the technical person in charge has more than 3 years of experience in the production of commercial concrete and has a professional title of intermediate or above in the related professional; financial person in charge