Customers like SINOPEC brand ammonium sulphate and they think SINOPE ammonium sulphate are capro grade ammonium sulphate.

Actually ,not all sinopec brand amsul are capro grade, here are 4 sinopec ammonium sulphate, could you point out which one is not capro grade ammonium sulphate please?

Or you could share your cargo photo with us, chemplus team will help you to distinguish whether your amsul is Real SINOPEC or not.