我司是专业设计和生产通风降温设备的企业，主要产品是：多种型号的轴流风机和拢风筒风机以及湿帘及其配件。
We are specializes in designing and manufacturing ventilation equipment, the main product are many size box fan, cone fan, cooling pad and the spare parts.
山东环盾机械有限公司成立于1996年，是一家集锅炉、水暖热风炉、换热设备、通风降温设备制造于一体的集团公司。
Shandong Global Shield Machinery Co. , Ltd. was founded in 1996, professional manufacture of Boiler, Hot blast stove, Heating-exchange equipment, Ventilation and cooling equipment.
因为有通风设备往里面输送新鲜空气，还有洒水器不断地给煤浇水以降温，所以地下既阴冷又潮湿。
The ground is cold and moist, with the chill factor amplified by ventilation fans used to blow fresh air into the mine, and the sprinkler that keep the coal dust down.
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