
Manufacturer of Bike Double Torsion Spring. Customized Color & Plating: Color is customized; surface treatments include Nickel, Chrome, Zinc, and Black plating. 20 Years Manufacturing Experience: Established in 2005 with extensive expertise in spring production and quality management. SGS Certified Quality: Products pass SGS certification with strict QC routing inspections every 30 minutes. ODM & OEM Services: Full ODM/OEM support with professional design capabilities using Solidworks and Auto CAD. High Production Capacity: Monthly output exceeds 5,000,000 pieces ensuring stable quality and timely delivery. Competitive Factory Price: Direct manufacturer pricing with reasonable costs based on customer drawings. Wide Application Range: Suitable for Industrial, Auto, Furniture, Motorcycle, and Home Appliance sectors. Fast Delivery Service: Standard delivery within 10-15 days; faster options available for urgent orders.