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API 7-1 Liluho Okun falifu
Lilu okun falifu da omi duro lati ti nṣàn soke awọn liluho okun nigbagbogbo ti o ba ti lu tapa pẹlu awọn bit pa isalẹ.LANDRILL le pese Ere didara Full šiši ailewu àtọwọdá (FOSV), Kelly valve, Inu blowout idena (IBOP), Drop-in check valve , Leefofo àtọwọdá.
Yara 703 Building B, Greenland aarin, Hi-tech idagbasoke agbegbe Xi'an, China
86-13609153141
