Look like door of stable guard against theft, door plank, door lock however extremely delicate, inside a few seconds relaxed burst open the door mixes bandits to lock up, enter sadly room. And last defense line that protects life property as people when door of guard against theft also becomes when can'ting bear, people can'ts help wanting to ask, door of guard against theft after all how? Glad is national security branch and home company of production of door of a few famous guard against theft has acted, begin to be opposite jointly former the relative standard of production of door of guard against theft of formulate undertakes editing afresh, among them " door of guard against theft must hit impress of safe level sunken form in top left corner " wait for brigadier of 3 new bid to was carried out in the round first quarter 2007.

The security of door of countrywide guard against theft that the reporter is holding without stannum from yesterday understands on seminar of new standard formulate, expand what how reside a project to carry out limits as the country further, come in the daily life that door of guard against theft regards main household as how to prevented a product to enter broad citizen stage by stage. Face this one huge market, manufacturer in succession mount a horse manufactures door of guard against theft, after 1999, the whole nation produced the enterprise leap of door of guard against theft to go to many 2000, this still does not include to did not pass registered subterranean plant illegally in great quantities. And the integral dimensions of company of production of door of our country guard against theft slants however small, product quality is to differ more very great disparity. Because door of guard against theft discerns very hard from the exterior,its actor or actress bad, very fast, large quantities of one treasures outside its, defeat garrulous door of among them inferior guard against theft with race to control of its low case one share market. The data that when the country pledges inspect bureau has sampling observation to door of guard against theft, publishs makes clear, factory of door of small guard against theft the product of 70 ％ is unqualified. Many manufacturer keep away from even in recent years " door of guard against theft " name, begin to cry " take a door " , " defend the door " , from level of state of the escape on quality, standard of him formulate industry.

The personage inside course of study tells a reporter: Burglarproof of door of guard against theft two large main component part are door body and lock of guard against theft. With respect to function of guard against theft, body ply is in exit of eligible guard against theft commonly 20 millimeter above, cloth wants to have in door body interlining strengthen steel, want fill of filler, make the backboard before door body organic ground joins together, in order to enhance the integral strength of door body, and the door of guard against theft of the production in coolie factory often replaces board with iron sheet, or with cost low inferior board replace board, cause function of extend of crust of door of guard against theft poor, fragile interest is large, it is to exist in name only at all, suffer outside force to be out of shape easily. Once steal an element to use body of outside force face each other to undertake destructive forcibly, can make door body armor plate is out of shape lose protective screen action finally, illegal element often still uses door of a few guard against theft to lock up glossal weak point, lock to shut check the number to wait for blemish less, use technology of all-purpose tool opening a lock to open a lock, make door lock of door of guard against theft is not had to cease soundlessly open, reach the slightest amount or degree finally not the purpose of housebreaking of caustic door body, door lock.
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