Geological drill pipe: (Origin: Baosteel Material: R780 Specification: 50*6.3 60.3*7.1 89*10 73*9.19)
(Origin: Hengsteel, Tianjin Big Seam, Ansteel Material: DZ40 Specification: 89*10 50*6.5 42*6.5)
(Origin: Hengsteel)
(Origin: Hengsteel) Material: R780 Specifications: 63.5*7 )
Rock Core Pipe: (Origin: Hengsteel (37Mn5), Baosteel (50Mn), Tianjin Big Seam (50Mn), Ansteel, Hubei Daye. 108*6.5, 127*6.5, 146*6.5, 146*7)
Drill Collar Pipe: (Origin: Hubei Daye Material: DZ40 Specifications: 83*25, 68*20)
Drill Pipe for Drill Pipe Splicer: (123*25 Material: 40Cr Origin: Hengsteel. 68*14 Material DZ50 Origin: Daye, Hengsteel)
Drill Pipe for Drill Bit: (Origin: Anshan Steel, Tianjin Big Seam)
Drill Pipe for Drill Pipe: (123*25 Material: 40Cr Origin: Hegang.
Drill pipe: (Origin: Anshan Steel Material: DZ40 Specifications: 91 * 8, 110 * 8, 130 * 8, 150 * 8, 76 * 8)
Hexagonal active drill pipe: (kilometer drilling rigs (hexagonal) 8.5 meters -9.2 meters long, water well drilling rigs (quadrilateral) can be processed according to the needs of)
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