锌铁合金热镀锌 上海 宝钢/宝日 0.5*1250*C SCGA270D DC54D+ZF DC56D+ZF S220GD+ZF S250GD+ZF S280GD+ZF 锌铁合金热镀锌 上海 宝钢/宝日 0.7*1250*C SCGA270D DC54D+ZF DC56D+ZF S220GD+ZF S250GD+ZF S280GD+ZF 锌铁合金热镀锌 上海 宝钢/宝日 0.8*1250*C SCGA270D DC54D+ZF DC56D+ZF S220GD+ZF S250GD+ZF S280GD+ZF 锌铁合金热镀锌 上海 宝钢/宝日 0.9*1250*C SCGA270D DC54D+ZF DC56D+ZF S220GD+ZF S250GD+ZF S280GD+ZF 锌铁合金热镀锌 上海 宝钢/宝日 1.0*1250*C SCGA270D DC54D+ZF DC56D+ZF S220GD+ZF S250GD+ZF S280GD+ZF 锌铁合金热镀锌 上海 宝钢/宝日 1.2*1250*C SCGA270D DC54D+ZF DC56D+ZF S220GD+ZF S250GD+ZF S280GD+ZF 锌铁合金热镀锌 上海 宝钢/宝日 2.0*1250*C SCGA270D DC54D+ZF DC56D+ZF S220GD+ZF S250GD+ZF S280GD+ZF 锌铁合金热镀锌 上海 宝钢/宝日 0.6*1250*C H220PD+ZF H260PD+ZF H340LAD+ZF H220YD+ZF H180BD+ZF 锌铁合金热镀锌 上海 宝钢/宝日 0.7*1250*C H220BD+ZF H260BD+ZF H300LAD+ZF DC51D+ZF DC52D+ZF S350GD+ZF 锌铁合金热镀锌 上海 宝钢/宝日 0.8*1250*C S550GD+ZF SCG270C SP783BQ SP782BQ SP781AQ JAC270E JAC340H 锌铁合金热镀锌 上海 宝钢/宝日 2.0*1250*C SP781-440BQ SP783-590BQ HC300LAD+ZF 深冲冷轧钢 上海 宝钢 0.5*1250*C SPCD SPCE SPCF DC03 DC04 DC05 DC06 BLD BUSD BUFD BSUFD 深冲冷轧钢 上海 宝钢 0.6*1250*C SPCD SPCE SPCF DC03 DC04 DC05 DC06 BLD BUSD BUFD BSUFD 深冲冷轧钢 上海 宝钢 0.7*1250*C SPCD SPCE SPCF DC03 DC04 DC05 DC06 BLD BUSD BUFD BSUFD 深冲冷轧钢 上海 宝钢 0.75*1250*C SPCD SPCE SPCF DC03 DC04 DC05 DC06 BLD BUSD BUFD BSUFD