(1) Before installation, check whether the hinges match the doors, windows and frames.
(3) Check whether the hinge is compatible with the screws and fasteners connected to it.
(4) The connection method of the hinge should match the material of the frame and fan. For example, the hinge used for the steel frame wooden door, the side connected to the steel frame is welded, and the side connected to the wooden door leaf is fixed by wood screws.
(5) In the case where the two hinged hinges are asymmetric, it should be distinguished which hinge should be connected to the fan, which hinge should be connected to the door and window frame, and the side connected to the three sections of the shaft should Fixed, the side connected to the two sections of the shaft should be fixed to the door and window.
JIANGMEN JIANGYI INDUSTRIAL CO., LTD
TEL.：0086-750-3410831 Contact Person：MAPLE
FAX.：0086-750-3410838 SKYPE: JIANGYI_MAPLE