Multi element alloy grinding balls with steel-forging; I ligh manganese alloy liners and series ot grindung balls with specialities; Nodular cast iron, Grey cast iron inspection covers, Rain cover-plate, iron railinge etc eivil worke.

• 多元合金磨球,钢锻;高锰合金钢衬板及特殊性能的磨球系列;球墨铸铁、灰铸铁检查井盖、雨水盖板、铁艺栅栏等市政工程铸件。