... Ductile Cast Iron Types: GGG40, GGG50, GGG60, GGG70, GGG80, GGG90Shape: Round, Square, Ractangle Features:1) Product information: Manhole Covers are manufactured for construction ... EN124 A15, B125, C250, D400, E600 and F900 b) A60005 for casting design c) Major standards designs available d) As per ... ! Any inquiry, pls don't hesitate to contact us! High Quality Ductile Iron/Grey Iron Manhole Cover