How to verify the concrete produced by concrete batching plant is qualified

Whatever we buy, we hope that it has good quality. So it is the same with a concrete batching plant. Only good concrete batching plant can produce high quality concretes. Do you know how to judge the concrete quality produced by a concrete mixing plant? Bona tells you as follow:
Every region of the weather, diet and culture is different, humid south, north is dry. The southern rainy, so he often causing the ground is wet. Surface modification by concrete buildings, the ground is built according to the proportion of special. Also the north is dry, the air is hot and dry all the year round. Such a road and buildings and require relatively loose of concrete. Verify the concrete this factor is particularly important. You can see the concrete mixing into specialty to pinch the later If the concrete is wet and moist so the product is unqualified to the wet place. Because each district road, weather, soil is different, concrete mixing plant production of concrete according to the local soil conditions to do the allocation proportion. Specific concrete batching scale have to constantly take out the product to do tests, after testing qualified ratio can be used correctly. The concrete mixing plant to produce concrete is the most suitable for use.