Malo
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ASME A A106 GR.B Yopanda Chipilala Chachitsulo cha Madzi
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API 5l Stom Stoneline ya Mapaipi a mafuta
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API 5l Asther A106 A333 kapena A335 Mapasi a Carbon Steel
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API 5ct, J55, K50, L80, N80 Steel Carting & Bing
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API 5cct carbon chitsulo chobowola chitoliro cha kubowola
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Astm A333, Astm A335, Astm A387, Astm A213 / 213m Alsoy Mapaipi
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ASMM A192, Astm A179, Astm A209, Astm A210 Steel Basi Ochera
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Kulimbana ndi Magetsi
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Sans 657-3, en 10305, din 2391 tepion