铝硅DX53D+AS现货。镀铝镁锌介绍：DX51D+ZM-DC51D+ZM-DX54D+ZM-DC56D+ZM-DX56D+ZM-DX52D+ZM-DD51D+ZM-SGH340D+ZM-S350GD+ZMHC340/590DPD+ZM-S280GD+ZM-S320GD+ZM-S390GD+ZM-S550GD+ZM-HC220YD+ZM-DC53D+M-SCS51D-PCA-440-M300HC260LAD+ZM-DX53D+ZM高铝锌铝镁:DC51D+AM-S350GD+AM低铝锌铝镁:DC51D+ZM-S350GD+ZM镀铝硅介绍:CR950/1300HS+AS/CR2000HS+AS/CR1000/1500HS+AS/DC54D+ASDC51D+AS/DX54D+AS/HC950/1300HS+AS/T1500HS+AS镀铝介绍:DX53D+AS-DX51D+AS-SA1D-SA1E-DC51D+AS)