... .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 ... domestic and foreian customers. The cement product had selled to many countries,including Russia,South Africa,Angola Nigeria cameroun,etc. ORDINARY PORTLAND CEMENT 42.5 (GB175 ...