Vacuum valves, vacuum pumps and vacuum flange connections are the three leading products, we possess import-export operations, and more than ten self-developed patent products.
以真空阀门、真空泵及真空法兰连接件三大类为主导产品，拥有自营进出口经营权和十多项自主研发的专利产品。
If an error occurs during one of the export operations, or if you cancel the operation or dialog box for any of the exports, the entire action is canceled.
如果在一个导出操作过程中发生错误，或者，如果您对任何一项导出取消了操作或相应的对话框，则将取消整个操作。
If an error occurs during one of the export operations, or if you cancel the operation or dialog box for any of the exports, the entire action is canceled.
如果在一个导出操作过程中发生错误，或者，如果您对任何一项导出取消了操作或相应的对话框，则将取消整个操作。
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