Oubao CE UL Building Door Hardware Fittings Aluminium Hydraulic Fire Spring Heavy Duty Door Closer (9036DA)

Oubao CE UL Building Door Hardware Fittings Aluminium Hydraulic Fire Spring Heavy Duty Door Closer (9036DA). 5-Year Warranty: Comprehensive 5-year quality guarantee covering mechanical defects. 500,000 Life Cycles: Durable design tested for half a million opening and closing cycles. Heavy Duty Construction: Precision cast aluminum body with steel arm and needle bearing gear. Multiple Certifications: Holds CE, UL, ANSI, UKCA, BHMA, and CERTIFIRE international certificates. Adjustable Functions: Features adjustable closing speed, latching speed, back-check, and delay. Wide Application Range: Suitable for doors 750mm-1600mm wide and weighing 40-150kg. OEM/ODM Accepted: Customization services available for original equipment and design manufacturing. Sample Availability: Samples provided for quality checking prior to placing bulk orders.