The utility model has reasonable structure, good check valve action and fire prevention action, easy assembly, long service life, stable performance and good effect.

本实用新型结构合理，具有良好的止回阀作用和防火作用，安装 方便，使用寿命长，性能稳定，效果好。

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The fire pump jointer of the utility model comprises an iron screw cap, a copper ring, and an iron body pump.

本实用新型解决了目前消防水泵接合器中铁螺旋盖和铁制体泵接口处的铜圈容易被盗窃的问题。

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The utility model discloses a high-altitude fire extinguishing system device structure.

本实用新型公开了一种高层消防系统设备结构。

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If you are unhappy with the utility company, who do you fire?

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Currently, the top five companies that account for a third of stock holdings, he says, are non-Hyundai blue chips SK Telecom, power utility KEPCO, Samsung Electronics, Samsung Fire and Marine Insurance, and steel giant POSCO.

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