供应连续热镀锌钢板和钢带：010203040506220250280320350400450550热镀铅锡碳素钢冷轧薄钢板和钢带：LT01LT02LT03LT04LT05彩色涂层钢板和钢带：TDC51D+ZTDC52D+ZTDC53D+ZTDC54D+ZTS250GD+ZTS280GD+ZTS320GD+ZTS350GD+ZTS550GD+ZTDC51D+ZFTDC51D+AZTDC51D+ZATDC52D+ZFTDC52D+AZTDC52D+ZATDC53D+ZFTDC53D+AZTDC53D+ZATDC54D+AZTDC54D+ZATDC54D+ZFTS250GD+ZFTS250GD+AZTS250GD+ZATS280GD+ZFTS280GD+AZTS280GD+ZATS300GD+AZTS320GD+ZFTS320GD+AZTS320GD+ZATS350GD+ZFTS350GD+AZTS350GD+ZATS550GD+ZFTS550GD+ZATS550GD+AZTDC01+ZETDC03+ZETDC04+ZE耐久性等级（代号）D1D2D3D4D)