Slivery 10 Balls 70*120mm Steel Roller Belong Garage Door Parts

Slivery 10 Balls 70*120mm Steel Roller Belong Garage Door Parts. Premium Material Composition: Constructed with steel rollers and nylon plastic covers for durability. Certified Quality Standards: Meets TUV and ISO certification requirements for safety and quality. Zinc Plated Surface: Features zinc plating treatment to enhance corrosion resistance. Compact Dimensions: Roller diameter 70mm and total length 120mm fit standard garage doors. Flexible Customization: Supports full customization, minor customization, and sample-based design. Efficient Production Capacity: 7 production lines ensure steady supply with 15 employees and 3963 sqm plant. Strict Quality Control: Random visual and function inspections follow uniform QA/QC instructions. Reliable Bearing Type: Utilizes pressed bearing type with 10 balls for smooth operation.