... 3) Fast delivery 4) RoHS CE ISO9001:2008 5) NCT, bending, coating, galvanization We are factory ... Haven Vivaldi for more information. Picture shows our business scope.Material: iron, steel, copper, aluminum, SPCC, SPHC, SECC ... your drawings).Structure: 9-Curved model steel, welded by the high quality professional 3-ways-connected structure. ... /e form drawings(in Chinese/English). 4 mm thick bending part