The mixing time of the concrete mixer is in which standard
Sales missed you do this to see how. If you have any project is continuous uninterrupted production, 24 hours a day, 365 days. As long as there is live, not to stop, of course, is to rest. Want to shift work
The quality control standard gb50164-2011 should not be produced for 40 seconds in the winter of 30 seconds
Concrete quality control standard gb50164-2011
