Radiation-Resistant Feature cement portland 42.5 Buyer and Importer

My name is Jorge Vistrain from Mexico and I am looking for a source of cement, for now12500tons and growing The specifications we need are the following: Grade 52.5 Compressive strength) 3 Days min 30 Mpa 7 Days 28 Days min 40 Mpa Tricalcium aluminate, C3A %5 or Less It does not necessarily need to be 52.5 can be lower but it definitely needs to have the other 3 characteristics. Do you have an email, ****,or we chat? in that case , can i have it? Please let me know what you can offer, thanksng: Grade 52.5 Compressive strength) 3 Days min 30 Mpa 7 Days 28 Days min 40 Mpa Tricalcium aluminate, C3A %5 or Less It does not necessarily need to be 52.5 can be lower but it definitely needs to have the other 3 characteristics. Do you have an email, ****,or we chat? in that case , can i have it? Please let me know what you can offer, thanks Show More