The commodity concrete pump before the responsible person should understand the site project, which required concrete variety, technical requirements, construction scheme, water volume, time and site construction preparation have pouring conditions (the site, technical preparation, etc.) by on-site fill day notice entrusted commercial concrete production department to arrange the production. If orders not one day handed to the production department, in the second days before the opening of the content level, webmaster should verify the pouring time and pouring position, after the opening order must first with the car back to the commercial concrete production department.