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  • Roller blinds installation steps

    27-11-2017

    1. Measure the size of the window frame, determine the location of the installation code and fix it. 2. Roller blinds to install curtain accessories, such as the system head, drawstring, head with two...

  • Fire shutter door installation specifications

    29-11-2017

    1, The upper part of the opening to install shutter doors shall not be provided with ventilation pipes, pipes, etc .; 2, The power lines (three-phase five-wire and fire control signal line) laid by th...

  • Aluminum hinge introduction

    04-12-2017

    Aluminum hinge is a hinge, a low density, but the intensity is relatively high, close to or exceed the quality of steel, good plasticity, with excellent electrical conductivity, thermal conductivity a...

  • The structure of the hinge

    30-10-2017

    First, the hinge can be divided into three main structure: hinge head (iron head), the body, the base. 1. ontology: mainly related to the number of doors; 2. Base: the main function of the door will b...

  • The appearance requirements of fireproof gates

    25-10-2017

    1 curtain plate, rails, lintels, reel and other parts of the surface is not allowed to crack, pressure pit and the more obvious convex, hammer marks, burrs, holes and other defects. 2 relative movemen...

  • Spring hinge

    24-10-2017

       It is mainly used for cabinet door and wardrobe door. It is generally required that the thickness of the board is 18 - 20mm. From the material, can be divided into: galvanized iron, zinc alloy.   F...