... diameters.. 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: cast ... 2997---Ms IrisFax: 86 311 8963 2997---Ms IrisHebei Jinghua Casting Co.,Ltd Website: www dot hjcasting dot com dot cn ...