Ma Roller Cone & PDC Bits: Mitengo ya Tungsten Carbide ikukwera, kotero tasintha mitengo—komabe ubwino wathu wa drill ukukhalabe wapamwamba! Wakuthwa, wolimba, wokonzeka kuthana ndi mapangidwe ovuta. Tengani yanu tsopano kuti mupewe kukwera mapiri kokwera mtengo. Pulojekiti yanu ikufunika zinthu zodalirika, ngakhale zinthu zikamakwera!
Nthawi yotumizira: Ogasiti-27-2025

