The device is based on the law of the people's Republic of China Ministry of public security standards GA498-2012production, the Ministry of construction, the State Administration of quality supervision code for fire protection design of buildings GB50016-2014 standard design, China Engineering Construction Standardization CECS233:2007 technique for installation. The products are widely used in hotels, guesthouses, offices, hospitals, schools, troops, factories and enterprises and institutions in the kitchen dining room ( Chinese cooking wok, deep fry pan ) and cooking ( flower stove, barbecue stoves, lie furnace ).