Najran University signed a service contract with the National Spanish Council for Scientific Research in order to develop research. Thus, the researchers of Najran University had visited Spanish Institute of ICP, Spanish council, to explore research.
![](https://pcsed.nu.edu.sa/documents/721223/0/nano10.jpg/13e85647-6239-4807-b4ce-2d28a6d278ff?t=1556089705014)