Ọkwa ígwè:Q195–Q345,S235JR,S275JR,S355JR,GR.BD, STK500 Standard:GB/T3091–2001,BS1387–1985,DIN EN10025,EN10219,JIS G30219,JIS G3444,2STK500 SCH40 / 80 / STD, BS-EN10255-2004 elu imecha: na-ekpo ọkụ tinye galvanized, eletrọn galvanized, nwa, ese, threaded, oghere, kanyere. Dayameta dị n'elu (...
GỤKWUO