3D Japanese Lamp Invisible Hidden Adjustable Concealed Door Hinge

3D Japanese Lamp Invisible Hidden Adjustable Concealed Door Hinge. 3D Adjustable Design: Features hidden 3D adjustable mechanism for precise door alignment. High Load Capacity: Supports up to 40kg door weight per pair of hinges. Durable Zinc Alloy: Constructed from high-quality zinc alloy with zinc plating finish. 2-Year Warranty: Comes with a comprehensive 2-year warranty coverage. OEM/ODM Available: Offers full customization and OEM/ODM services for designs and samples. Anti-Droop Technology: Precision manufacturing prevents the droop phenomenon common in low-end products. 100% Quality Inspection: Every finished product undergoes visual and functional inspection. Online After-Sales Support: Provides dedicated online technical support for customers.