... Modular production Data calculate by Tongji University concrete mixer, concrete, concrete pump, The silos, silos, sheet silos, concrete mixing plant, asphalt mixing plantIt is ... national patent in Bolted-type Silos (Patent NO: 201020649684.5). These kinds of powder silos enjoy high reputation for ... . The compaction degree of special sealing strip is from 5 mm to 1 mm. The strong elasticity effect fill ...