N/a manufacturer / supplier in China, offering 12 1/4" Metal Rubber Sealed Kingdream TCI Tricone Rock Drill Bit, 12-3/4" 5000 Psi RAM Bop Blowout Preventer for Workover Operations API 16A Certified, 20" 15000 Psi RAM Bop Blowout Preventer for High Pressure Wells Durable Design and so on.
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