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automatic window operator

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Automatic chain window operator

Speed adjustable door closer floor spring size:

Email:autodoorleader@gmail.com

Two Way Open Floor Spring 

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Swing door floor spring's Features:

1. Max.Door weight: 100KG/120KG/150KG
2. Door width: 900-1250mm
3. Dimension: 306*108*41mm
4. 1.2MM # 304 mirror cover plate
5. 90°hold-open,open in both directions, maximum opening 130°
6. Guarantee is 5 years.                                                                 

7. Pass 500,000 times testing.                            

Automatic window opener
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Floor spring is a divice which installed under the bottom of the door leaf and let the door close automatically. The floor spring swing door closer is hide in the ground, concealed design is widely used with wooden door, steel door, aluminum door, glass door, fireproof door.  


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Automatic sliding door

TEL:+8618971265826

Skype:autodoorleader

WhatsApp:+8618971265826