Altitude 1000-3000m;
The surrounding air temperature: Up to 40: -25
Lower limit of not more than 8 degree earthquake intensity;
No fire, explosion, serious students dust, chemical corrosion and severe vibration sites
The surrounding air temperature: Up to 40: -25
Lower limit of not more than 8 degree earthquake intensity;
No fire, explosion, serious students dust, chemical corrosion and severe vibration sites
Over Electric Blanket Co., Ltd. , http://www.nsheatingproducts.com