... .. Grade:A15, B125, C250,D400. We are Hebei Jinghua Casting Co.,Ltd, an ISO9001:2000 certified enterprise in China, specialized ... in manufacturing of EN 124 sand casting manhole cover. Characteristics of our manhole cover:1) Material: ... iron.2) Standard: EN124 A15, B125, C250, D400.3) Shape: round, square, rectangle and triangle.4) Diameter: from400mm to 1000mm.5 ...