... 2.With 2-4 hoppers 3.Can be made separately. 4.Competitive price 5.With ISO9001:2008 PLD1200 Concrete Batching Machine Used ... finish automatically the batching process of sand, stone, cement etc. 3~6 kinds of material according to the cement proportion designed ... persons for guiding to install debug and train the workers. PLD1200 Concrete Batching Machine Used In Mixing Plant