To produce all kinds of castings pigiron, alloy iron, nodular iron and vermicular iron, etc.
和规模生产灰铸铁、合金铸铁、球墨铸铁和蠕墨铸铁等各类铸件。
2
The influence of composition, structure and defects of pig irons from different producing areas on the heredity of nodular cast iron was investigated by.