Chitoliro chosasunthika chachitsulo cha GB / t8162-2018 chimagwiritsidwa ntchito makamaka pakupanga ndi kukonza. Zoyimira zake (mtundu): mpweya zitsulo 20 #, 45 zitsulo; Aloyi zitsulo Q345, 20Cr, 40Cr, 20CrMo, 30-35crmo, 42CrMo, etc. Structural zosapanga dzimbiri zitsulo msoko chitoliro (GB / T14975-2002) ndi otentha ...
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