According to the door panel covering position, they are divided into full cover (straight bend, straight arm) generally covering 18 cm, half cover (medium bend, curved arm) covering 9 cm, and hidden (large bend, large curved) door panels are all hidden inside;
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- According to the style of stainless steel industrial hinge development stage, they are divided into: one-stage force hinge, two-stage force hinge, hydraulic buffer hinge, touch self-opening hinge, etc.;
- According to the door opening angle of stainless steel industrial hinges: generally used 95-110 degrees, special ones are 25 degrees, 30 degrees, 45 degrees, 135 degrees, 165 degrees, 180 degrees, etc.;

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