使用 Abraa 安全交易系统进行安全可靠的支付 產品規格
| CHING YUANG ENTERPRISE CO., LTD | |
| New | |
| YES |
Product Descriptions
Cutting-edge technology
Air-type ventilation fans can be more difficult to change the gas stations, factories and assembly sites or shops and other buildings play a function. Reduce the airflow that will produce noise and prevent the wind from turning during operation.
Switch a press, you can choose the appropriate air volume.
Night and day, summer and winter, according to the different needs of the ventilation changes in the situation. (Strong, medium and weak) three-stage speed adjustment of the pressure ventilation fan, the use of button switch operation to adjust the air volume.
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