Dear ,Can you just make the covers for the air containers in round diameter 500mm 700mm 800mm or 1000mm thickness 3mm height approx. 100-150mm without holes only as cover, without coating without color - is welded by us further processedFirst acceptance test is about 1000-2000 pieces.Many thanks for your Info please sent your Info to: Best RegardsMarkusCamas GmbH Germany Show More