税收编码为8415903000,该编码属于国家税务总局规定的特种设备制造业中的“其他设备制造”。
Valve:
Valves are mechanical devices that control the flow of fluid and pressure within a system or process. Valves are used in a wide variety of applications, including controlling the flow of water, gas, steam, oil, and other liquids, as well as controlling the pressure of liquids and gases. Valves are available in a variety of materials and sizes, and can be operated manually or automatically.
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