
Factory Direct Delivery Round Corner Folding Hinge for Doors and Windows. 15+ Years Expertise: Zhongshan Safe and Firm Hardware has 15+ years of industry expertise in hardware manufacturing. Brass Material: Made from high-quality brass with a polished finish for durability and aesthetic appeal. OEM/ODM Support: Integrated OEM/ODM solutions with precision mold design and full-cycle production capabilities. Customization Options: Offers customization from samples, designs, full customization, minor customization, and flexible customization. Free Samples: Provides 1-2 free samples for testing; customer pays only for express shipping costs. 100% Inspection: 100% visual inspection for finished products with strict adherence to instructions and QA/QC standards. Warranty Service: Provides consultation and warranty services with a 2-year warranty period for peace of mind. Global Markets: Exports to North America, South America, Eastern Europe, and Southeast Asia with 50-80% repeat buyers.