The raging controversy among cement manufacturers and the Standards Organisation of Nigeria (SON) over the application of various cement grades for building and construction may have waned as block makers in the northern part of Nigeria have started complying with the directive by SON on the classif
```
Members Only
Login or create an account to continue
This article is available to registered BusinessDay readers. Please login if you already have an account, or create a new account to continue reading.
New to BusinessDay? Register now and start reading.
```
BusinessDay
Nigeria's leading finance and market intelligence news report. Also home to expert opinion and commentary on politics, sports, lifestyle, and more