Iivalvu zentambo zokubhola ze-API 7-1
Iivalvu zentambo yokubhola ziyathintela ulwelo ukuba lungaphumi kwintambo yokubhola rhoqo ukuba idrill ikhaba nge-bit off bottom. ILANDRILL inokubonelela ngevalvu yokhuseleko yokuvula epheleleyo (FOSV), ivalvu yeKelly, i-Inside blowout preventer (IBOP), ivalvu yokujonga i-Drop-in, ivalvu yokudada.
5-1203, iDahua Industrial Zone, No.2 Yunshui Road, iHi-tech development zone, eXi'an, 710065, eTshayina
86-13609153141
