Hua
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API 5CT Carbon Steel Drilling Pipe mo nga kaupapa drill
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ASTM A333, ASTM A335, ASTM A387, ASTM A213/213M Nga Paipa Paa
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ASTM A192, ASTM A179, ASTM A209, ASTM A210 ngongo Kohua
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Atete Hiko Paiherea ERW Steel Paipa ERW Steel Tubes
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SANS 657-3, EN 10305, DIN 2391 Nga Paipa Tiaki Tiaki Rawa
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Nga Paipa Whakapaipai Piauau me nga taputapu
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Tapawhā & Tapawhā ngongo
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Porowhita Welded Carbon Steel Diameter Nui SSAW Steel Paipa
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He paiherea roa nga paipa maitai LSAW kounga teitei