Concrete pump pumping work points

(1) pumpability of concrete. Pumping concrete should meet the pumpability requirements, if necessary, by pumping test to determine the pumping concrete mix.


1) The ratio of the maximum size of coarse aggregate to the diameter of the conveying pipe should be as follows: when the

Foreign Investment in China Shows New Trends

According to the latest statistics from IBM's Factory Layout International, which tracks global investment projects, China has attracted foreign direct investment (FDI) in the chemical and pharmaceutical industries for the third consecutive year, ranking first in the world. From 2003 to 20