Ua ʻōlelo ʻo Kertong me ka ʻoiaʻiʻo e hana wale mākou i nā pale pani akā ʻaʻole nā pale kumu.ʻO Derrock, FLC, Hyperpool, PWP, Wave Screen nā hōʻailona o Derrock Corporation.ʻO NOV Brandt, VSM, Cobra, King Cobra, D380, D285P a me LCM nā hōʻailona o Varco I/P, Inc. MI SWACO, ALS-2, MD-2, MD-3, MEERKAT PT, ...
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