(1) through the "China fire control products quality authentication committee" inspection, in the period of validity is the product type approval certificate ".
(2) through the "national fire extinguishing system and refractory component quality supervision and inspection center" inspection, in the period of validity is the inspection report.
(3) fire prevention door fill material is incombustible or difficult to burn sexual light fire prevention profiles, to keep the smoothness and ensure that fire performance in the sampling to fire detection requirements; Through the "national fire extinguishing system and refractory component quality supervision and inspection center" inspection, and has the effective period materials filled in the inspection report.