
Heavy Duty Tubular Handle Lever Lock Door. Durable Zinc Alloy Construction: Made from high-quality zinc alloy and stainless steel for long-lasting performance. Comprehensive 1-Year Warranty: Covers all mechanical defects with free parts and labor for one full year. Fast Customization Development: New products developed based on specifications in as fast as two days. High Monthly Production Capacity: Factory capable of turning out 100,000 products monthly with 29 automatic machines. Flexible Finish Options: Available in SS, SN, CP, PB, SB, AB, and AC finishes to match various styles. OEM and ODM Services: Full customization, minor customization, and design-based customization available. Wide Door Thickness Compatibility: Fits door thicknesses ranging from 33mm to 50mm with adjustable backsets. Versatile Application Scenarios: Suitable for entrance, bathroom, passage, storeroom, classroom, hotel, and dummy doors.