主要从事大型中央集中过滤及排屑系统的研发、制造及销售，以“松海过滤”作为主导品牌名称。产品远销国内15个省市及俄罗斯等国家。

Songhai mainly engaged in research, development and manufacturing of large-scale centralized filtering and chip removal system, used "Songhai Filter" as a leading brand names. Its products are exported to 15 provinces in China, some products are exported to Russia and other Countries.