Door of a piece of good guard against theft, the protection that is life property is magical. Door of guard against theft has make the same score the configuration such as type, push-pull type, fold type, barrier type, the family basically is used make the same score type. The key when the choose and buy inspects the 5 elements of function of its guard against theft and quality:

1. certificate of approval: Must have legal detect orgnaization issue detect certificate of approval, manufacturing company is in provincial Public Security Department (bureau) safe technology is on guard the safe technology that the branch extends is on guard the product produces evidence definitely.

2. brings congruent level: Cent of safety of door of guard against theft is class of A, B, C3. Function of C class guard against theft is highest, b class next, class A lowest, class A is more on market, apply to average household generally. Class A requirement: Complete steel is qualitative, smooth open whole sealing type, common and mechanical manual tool and portable dynamoelectric tool cooperate action to fall each other, its most weak point can resist be not the only time ≥ of normal open 15 minutes, or should not the 615 square that cut gives put oneself in another's position of a penetrable door centimeter mouth of a cave.

3. material is qualitative: Use stainless steel more generally at present, beautiful, durable, antirust corrode. Basically look at 2 o'clock: The capable person of door of stainless steel guard against theft that ① brand shows popularity is qualitative with the brand 302, 304 give priority to; Thickness of plate of doorcase of ② plate thickness is not less than 2cm, thickness of armor plate of cover of door leaf around is commonly between 0.8cm ～ 1cm, door leaf interior is set framework and strengthen board.

4. lock: Door of eligible guard against theft uses three azimuth lock or 5 azimuth lock commonly, not only door lock lock is decided, fluctuation rail can insert a lock to decide, face each other tries to secure. Most door still is embedded on doorcase have balata sealing strip, harsh metallic collision tone won't be given out when closing the door.

5. craft quality: The attention looks have do not have solder, not the blemish such as solder, leakage solder, fan of guard the entrance and doorcase cooperate to wait for all connect close-grained, whether does clearance agree equably, open is agile, paint eletroplates smooth etc.

Finally, when buying, still should notice " exit of guard against theft " " FAM " the content such as name of mark, company, executive standard, the door ability that accords with a standard already safe reliable.

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