镀锌产品牌号介绍DC51D Z(St01Z,St02Z,St03Z)DC51D ZFDD51D Z(St01ZR,St02ZR)DC52D Z(St04Z),DC52D ZFDC53D Z(St05Z)DC53D ZFDC54D Z(St06Z)DC54D ZFDD54D Z(St06ZR)DC56D Z(St07Z)DC56D ZFS220GD Z,S220GD ZFS250GD Z,S250GD ZFS280GD Z(StE280-2Z)S280GD ZFS320GD Z,S320GD ZFS350GD Z(StE345-2Z)S350GD ZFS550GD Z,S550GD ZFH220PD Z,H220PD ZFH260PD Z,H260PD ZFH300LAD Z,H300LAD ZFH340LAD Z(HSA340Z),H340LAD ZFH380LAD Z,H420LAD Z(HSA410Z)HR340LAD Z(HSA340ZR)HR420LAD Z(HSA410ZR)H180YD Z,H180YD ZFH220YD Z,H220YD ZFH260YD Z,H260YD ZFH180BD Z,H180BD ZFH220BD Z,H220BD ZFH260BD Z,H260BD ZFSECC、SECD、SECESECIFBLCE Z,BLCE ZNBLCDC05（BSC2）DX51D AZBLDE Z,BLDE ZNBUSDE Z,BUSDE ZNBUFDE Z,BUFDE ZNBLDBUSDBUFDBSUFDE Z,BSUFDE ZNB170P1E Z,B170P1E ZN