Ordinary hinge: used for cabinet doors, windows, doors, etc. The materials include iron, copper, and stainless steel. The disadvantage of a regular hinge is that it does not have the function of a spring hinge. After installing the hinge, various collision beads must be installed again, otherwise th

There are six key points to pay attention to when installing hinges:(1) Before installation, check whether the hinges match the door and window frames and sashes.(2) Check whether the hinge groove matches the height, width and thickness of the hinge.(3) Check whether the hinges and the screws and fa