... curing agent MRK-21(Potassium) PictureDescriptionFeature and function parameterApplied fieldsConcrete curing agentMRK-20(Sodium ... building, parking lot, airport, dock, port, hypermarket, warehouse and distribution center, school, cool house, gym, hospital, community, ... Brand monopolization, factory, urban construction, road and bridge and logistics center etc. place.Concrete curing agentMRK-21 ...