
China Supplier Round Knob Door Lock for Rolling/Garage Door Lock. High Safety Level: Meets Anti-theft Standard A with high safe level for household and garage doors. Emergency Function: Designed to apply to emergency situations when electrical garage doors fail. Durable Materials: Constructed from Alu. Alloy, Brass, or Iron for long-lasting performance. Chrome Finish: Features a premium Chrome color finish for modern aesthetic appeal. Flexible Customization: Offers full customization, minor customization, and customization from samples or designs. Fast Sample Delivery: Sample time is only 3 days for quick product verification. High Production Capacity: Monthly supply ability of 100,000 pieces ensures timely large order fulfillment. ISO 9001 Certified: Manufacturer holds ISO9001:2015 certification with 100% finished product inspection.