
28*177mm Hidden Hinge Invisible 3D Adjustable Concealed Hinge. 3D Adjustable Function: Allows precise 3D adjustment for perfect door alignment and fit. High Load Bearing Capacity: Supports up to 80kg per pair of hinges for heavy-duty use. Premium Zinc Alloy Material: Constructed from durable zinc alloy with zinc plating finish. 2-Year Warranty Coverage: Includes comprehensive 2-year warranty for peace of mind. OEM and ODM Services: Full customization options available for designs and samples. Online After-Sales Support: Dedicated online support team for technical assistance. Invisible 3D Design: Hidden hinge design ensures a sleek and modern aesthetic. ISO9001 Certified Quality: Manufactured under strict ISO9001:2015 quality management standards.