API Elastomer Yosindikizidwa yokhala ndi tricone bit IADC517,IADC527,IADC537 ndi okonzeka ku USA oilwell kasitomala.

Far Eastern Drilling yesetsani kuchita bwino, kampani yamakasitomala", ikuyembekeza kukhala ogwira ntchito ogwirizana komanso olamulira mabizinesi kwa ogwira ntchito, ogulitsa ndi makasitomala, amazindikira kugawana kwamtengo wapatali komanso kutsatsa kosasunthika kwa Mbiri Yapamwamba Oilwell Drilling Rotary Bit 7 7/8 IADC517,IADC527, IADC537 Hard Rock Tricone Bit ya Oilwell yokhala ndi Elastomer Sealed Bearing, zogulitsa zonse zimawoneka zapamwamba kwambiri komanso zothetsera zogulitsa pambuyo pogulitsa ndizomwe takhala tikuzitsatira tsopano.