Welcome to visit us![email protected]
The proposed mean concrete strength is well within priestley recommended lower- and upper-limits.Certainly, if more concrete test data from various public and private projects is available, more reliable mean strength prediction formulas covering full range of concrete grades can be obtained.
We are a large-scale joint-stock enterprise integrating scientific research, production and sales.Our leading products have crushing equipment, sand making equipment, mobile crusher, etc., Each type of product is with complete specifications. All products have passed ISO9001, CE and GOST international quality system certification.