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Factory Price API 12 1/4" Tricone Bit, 311.15mm Roller Cone Bit, Rock Drill Bit for Water or Oil/Gas Well Drilling
YINHAI 12 1/4" TRICONE BITS-- REAL PHOTOS YINHAI TRICONE BITS OVERVIEW & TECH DATA YINHAI FOREIGH EXHIBITION SHOW About
API 5L Psl1/2/ASTM A53/A106 Gr. B/JIS DIN/A179/A192/A333 X42/X52/X56/X60/65 X70 Stainless/Black/Galvanized/Round Seamless/Welded Carbon Steel Pipe
Product Parameter: After-Sales Service: 1.Technical Support by phone Whatsapp or email around the clock 2.Problems will