Carbon Seamless Tube mo Suavai Fe'avea'i Auaunaga Talosaga mo Tubes i carbon uamea paipa Mo Suavai Femalagaa'i Auaunaga e pei o le vai, suau'u maualalo mamafa .. Tube Gaosia Tulaga Fa'atonuga, Vasega Umea, Numera vevela uamea: GB/T8163, API 5L PSL1 , API 5L PSL2 , ASTM A106 ,ASME,JIS ,EN10204,EN10205,B...
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