Theory of production and the actual productivity of concrete mixing plants?

When we plan to buy a set of concrete mixing plant equipment when mixing plant equipment can see many different production capacity, for example HZS25 concrete mixing plant, HZS35 plant, HZS50 mixing plant, HZS90,HZS120,HZS180 access to the productive capacity of the mixing station, annotations can be produced per hour 25 cubic meters, 35 cu, 120 cubic meters, this is the actual production capacity?
The answer is no, parameters capacity callout just theory of productivity, with the actual productivity vary greatly. Manufacturers would say if we use when we introduce the low cost concrete batching plant, can be produced per hour 25 cubic meters, actual productivity would fall short of production capacity of 25 cubic meters/hour, actual productivity is generally reached 20-23 cubic meters per hour is very good. We are in practice for a number of objective reasons, such as skill, equipment installation and reasonable, quality of equipment can affect the production capacity of the plant. When this is all very reasonable conditions to reach about 23 cubic meters per hour, most of which are 18-20 for the majority.
These conditions may be a lot of users don't know how, I would like to use our professional knowledge and rich experience in the installation to provide users with the best equipments and perfect quality of mixing plant installation team.