High Quality DC1000 CE Certificate Aluminium Automatic Hydraulic Concealed Door Closer Hold Open Door Close Factory

High Quality DC1000 CE Certificate Aluminium Automatic Hydraulic Concealed Door Closer Hold Open Door Close Factory. Five-Year Warranty: Comprehensive 5-year warranty coverage for all mechanical defects and parts. CE Certified Safety: Passed CE fire test for 130 minutes and meets EN1154, UL228 standards. 500,000 Cycle Durability: Rigorous testing confirms over 500,000 operational cycles for long-term reliability. Customizable Color: Available in Silver Gray or fully customized colors based on design requirements. Flexible Customization: Offers full, minor, and sample-based customization options for designs and specifications. Adjustable Closing Speed: Features two-section speed control and optional hold-open function. Low MOQ: Minimum Order Quantity is just 1 piece, suitable for small projects.