Ngomhla we-16 ukuya ku-Agasti we-17, i-Oilbayer ithathe inxaxheba kumgangatho woshishino "lweeMfuno zokuSebenza kwe-Oli ye-Oil Well Cement Performance" eququzelelwe yiKomiti yeSizwe ye-Oli kunye neGesi yokuMisela iKomiti yobuGcisa yobuNjineli kwiSixeko saseYichun, kwiPhondo laseHeilongjiang, kwaye yathatha inxaxheba kutshintshiselwano lwesamente enxulumeneyo. iteknoloji.
Ixesha lokuthumela: Sep-10-2018