... 5,P.O42.5/42.5R/52.5 Ordinary Portland cement 2,Inpection: by CIQ 3,Standard:Chinese GB175-2007 Specificationsordinary portland cement 42.5/42 ... .5R1,Product range:P.C32.5,P.O42.5/42.5R/52.5 Ordinary Portland cement2,Standard: ... Africa,Angola Nigeria cameroun,etc. ORDINARY PORTLAND CEMENT 42.5 (GB175-2007) DEYI - 42.5 portland cement (GB175-2007)