Ductile iron fittings, EN545 standard ISO2531 BS4772, EN598, ductile iron pipes, not only has the tensile strength and elongation, consequently the ball is widely used in steel parts, oil and gas, water, sewage pipe pressure. The company EN545, EN598, according to ISO2531 BS4775 standard production, all kinds of steel ball exported to Europe, South America, parts of Africa, the Middle East and southeast Asia and in many countries and regions, excellent quality, has won the general customers the high praise.