... L/C; Grade: ordinary portland cement 52.5R; Standard:Chinese GB175-2007 ordinary portland cement 52.5 Standard:Chinese GB175-2007 Packing ... sling bagour company is a cement of factoryordinary portland cement 52.51,Product range:P.C32.5,P.O42.5/42.5R ... /52.5 Ordinary Portland cement2,Standard: In compliance to the national ... bag Payment method: T/T;L/C(at sight) cement 52.5