Portland cement 52.5/R,42.5/R,32.5/R ISO14000/14001,ISO17799 Advanced detection method-high quality Near the port-best price Specification,1.Grade:portland cement52.5 (National Standard GB175-2007)2.Capacity:50,000mts per month3.Packing:50kgs /PP bag, or 2MTS/jumbo sack4.Delivery:30days5.Loading port:Rizhao Port,China6.Inspection:CIQ ,SGS or as your request portland cement 52.5