Look like door of stable guard against theft, its door plank, door lock however extremely delicate, bandits can be relaxed excommunicate or open a lock to enter room. Why does door of guard against theft become extremely such? Original, a few manufacturers are taken defend the door, door that prevent prize even armor door pretends to be sale of door of guard against theft, choose on makings jerry also, retail price of door of a few guard against theft is low reach 339 yuan. Door of a lot of guard against theft uses prize far from, can not have destroy, without trace, technical ground open, door of guard against theft not burglarproof is complained rate lifting.

Visited bazaar of a few building materials, brand of door of cursory consideration guard against theft not less than 100. Be in the name is " X flies " the staff member that distribute selects hands on propagandist data of the reporter, steeliness door, exit, take a door, defend the everything needed is ready such as the door. What door can guard against theft? But the staff member expresses solemnly, these doors are door of guard against theft, just make a way different, average person does not fight each other absolutely inside 5 minutes.

Mandatory standard of country of door of guard against theft is mixed to the plate thickness, framework that prop up each data such as lock has specific provision, defend the door, door that prevent prize do not be equal at door of guard against theft. Class of class A of cent of door of guard against theft, B and C class 3 kinds. Lowest of class A safety factor, the door of guard against theft on the market the majority is class A, one of its function index cannot use the method that is not normal open to open inside 15 minutes namely.

Price of door of a little so called still guard against theft has 449 yuan only, after one of lowest cuts price, make work only 360 yuan. The plate face plate with on the market 1 at present thick millimeter every tons 7200 yuan, doorcase hot-rolling armor plate every tons 6500 yuan. If reach national level, the armor plate cost that makes door of a guard against theft needs 500 yuan, increase the lock, inserts, cost such as spray paint, cost price is average not under 700 yuan, door of eligible guard against theft adds casing weight to should be in 60 kilograms of above, under this price and door of underweight guard against theft, consumer needs to be bought carefully.

Branch of national qualitative prison discovered to sampling observation of door of guard against theft recently, factory of door of small guard against theft the product of 70% is unqualified, iron sheet of many family expenses of plant of door of guard against theft replace board, bring about door of guard against theft to suffer outside force to be out of shape easily. A few cheap products do filler with paper carapace and beehive paper, time grows with respect to cave in, have property of guard against theft, sound insulation, heat preservation far from. Produce door of guard against theft to must have door of the Ministry of Public Security to issue " manufacturing license registers card " , but visit a circumstance according to the reporter, the 3 brands that become above cannot provide this evidence.
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