UL Listed Fire Rated Construction Hardware Door Opener Safety Door Closer Manufacturer

UL Listed Fire Rated Construction Hardware Door Opener Safety Door Closer Manufacturer. UL Listed & Fire Rated: Certified UL Listed with 3-hour fire rating for safety compliance. Two-Way Speed Control: Adjustable closing speed and latching speed for precise operation. 5-Year Mechanical Guarantee: Comprehensive 5-year warranty covering mechanical defects. High Durability Performance: Passed 500,000 cycle durability test for long-lasting use. Wide Application Range: Suitable for plastic-steel, wood, and aluminum/iron doors. Customizable Finish: Electrostatic paint finish available in silver, black, and golden. OEM & ODM Services: Professional OEM and ODM cooperation with famous brands. Free Sample Evaluation: 3 free samples provided for evaluation upon request.