1, the door

Basis of exit of guard against theft of its structure different, can divide to make the same score exit of type guard against theft, exit of barrier type guard against theft and door of barrier type fold 3 kinds of doors. But use at present what regard cent door as the door in the residence basically is exit of smooth guard against theft opening type, exit of barrier type guard against theft basically is as electronic-controlled to telling as Lou Yu systematic product form a complete set is used, the Lou Yu that serves as village or residential footpath uses the door to telling. Sliding door basically is used at small-sized commerce shop.

To average consumer, exit of guard against theft basically makes the same score exit of type guard against theft namely. Smooth opening the door is the door of a kind of guard against theft with the at present biggest demand on the market. Some standards say to this kind of door is cent door door or take a door, state this is a door outside divisional room ben. Accordingly, its besides guard against theft, return drag in to arrive heat preservation, sound insulation, beautiful wait for a lot of respect. Smooth open the door to be from formally cent: Common smooth open the door, the door in the door, child mother door and compound door. Common make the same score those who open the door to be only leaf open namely to close the door. The door in the door has namely collapsible door and have again average the good point that open the door, the part of its external door is collapsible door, there is a wicket after collapsible door, open wicket can serve as collapsible door ventilated wait for utility, shut wicket to regard as make the same score the action that open the door. Child mother door is used at the family to enter the house with a bigger doorcase commonly, assure to come in and go out at ordinary times namely convenient, also can let what old furniture goes to the lavatory be moved. Compound door also weighs one casing two, front door is collapsible door, back door is enclosed smooth open the door.

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