Aluminum Alloy Wooden Door Fire Rated Hidden Door Closer

Aluminum Alloy Wooden Door Fire Rated Hidden Door Closer. Wide Color Options: Available in Silver, Brown, White, Black, and Gold finishes. Heavy Duty Capacity: Supports door weights ranging from 25kg to 150kg. High Durability: Tested for 30,000 life cycles for long-term reliability. Flexible Application: Suitable for both commercial and domestic settings. Hold Open Option: Optional hold-open feature available for specific needs. Full Customization: Supports customization from samples, designs, and minor adjustments.