庆典仪式上全新的混凝土运输车和塔式混凝土搅拌站（11月21日摄）。11月21日，联达混凝土有限公司在广东省吴川市正式投入运营。该企业总投资达6000万元，采用德国全自动流水线生产技术，年生产各类高品质混凝土50万立方米。新华社记者周文杰摄     Celebration ceremony new concrete truck and tower concrete batching plant(On November 21st perturbation).On November 21st,Lian da concrete co., LTD. In guangdong province WuChuanShi officially put into operation.This enterprise with a total investment of 60 million yuan,With the German automatic assembly line production technology,In the production of various kinds of high quality concrete 500000 cubic meters.Xinhua news agency reporters ZhouWenJie perturbation