1. According to the type of base, it is divided into two types: detachable type and fixed type;
2. According to the type of arm body, it is divided into two types: sliding type and card type;
3. According to the cover position of the door panel, it can be divided into full cover (straight bend, straight arm), general cover 18%, half cover (middle bend, curved arm) cover 9%, and the inner (big bend, big bend) door panels are all hidden inside;
4. According to the style of hinge development stage, it is divided into: one-stage force hinge, two-stage force hinge, hydraulic buffer hinge, touch self-opening hinge, etc.
5. According to the opening angle of the hinge: generally 95-110 degrees, special ones are 25 degrees, 30 degrees, 45 degrees, 135 degrees, 165 degrees, 180 degrees, etc.;
6. According to the type of hinges, it is divided into: ordinary one-stage and two-stage hinges, short-arm hinges, 26-cup miniature hinges, marble hinges, aluminum frame door hinges, special angle hinges, glass hinges, rebound hinges, American hinges, damping hinge , Thick door hinges, etc.

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