PERUMIN 33 Yarjejeniyar Ma'adinai, ɗaya daga cikin muhimman al'amuran hakar ma'adinai a duniya.Manajojin tallace-tallacenmu sun halarci nunin kasuwanci akan Satumba 18-22 2017 a Jami'ar Jama'a ta San Agustin (Arequipa)
Lokacin aikawa: Nov-22-2018