Polished diamond prices drop in April

Mining News Pro - A report published by Rapaport this week reveals that polished-diamond prices declined in April with 1- carat diamonds sliding 1% year-to-date and 3-carat diamonds falling by 6.1% year-to-date.

ALROSA increases rough and polished diamond sales to $4.5B

Mining News Pro - ALROSA today announced its rough and polished diamond sales results for December and preliminary results for 2018.

Esfahan Mobarakeh Steel co.
HOSCO
khuzestan steel
chadormalu Co.
ghadir neiriz co
IranAluminaJaajarm
sangan steel
ahan o fulad golgohar