Ready-mixed concrete chloride ion exceeded last

Currently sand and river sand to build market exercise ratio is how much ? Shenzhen Municipal Bureau of Housing and Building energy-saving technology , the first to rely on the market to build early stationary batch plant  , Xijiang supply sand , but in October 2008 , the East River , West River are limited river sand mining, dozens of sand from the original point of elimination to engrave the moment only three on the West River , river sand supply the needs of the surrounding areas not far from satisfactory . " At the moment the market is simply Shenzhen small proportion of river sand ,  concrete plants for sale  data building housing the Bureau does not keep statistics , but the council next step will be linked with other parts of sand on all kinds of topics to build a movement to hold law ."