Nā Kiwikā Kaula ʻEli API 7-1
Hoʻōki nā kiwikā kaula wili i ke kahe ʻana o ke wai i luna o ke kaula wili pinepine inā kīkē ka wili me ka ʻāpana i lalo. Hiki iā LANDRILL ke hāʻawi i ka kiwikā palekana wehe piha (FOSV), Kelly valve, Inside blowout preventer (IBOP), Drop-in check valve, Float valve.
5-1203, Dahua Industrial Zone, No.2 Yunshui Road, Hi-tech development zone, Xi'an, 710065, Kina
86-13609153141
