
Spiral Spring Constant Force Spring Power Spring with SGS. Customized Color Options: Color is fully customized to meet specific client requirements. SGS Certified Quality: Products pass rigorous SGS certification for reliability and safety. High Production Capacity: Monthly output exceeds 5,000,000 pieces ensuring timely delivery. 24/7 Online Support: Professional engineers provide round-the-clock technical assistance. ODM & OEM Services: Full customization services available based on client drawings. Wide Material Range: Manufactured from high-carbon steel and various alloy materials. Competitive Pricing: Factory-direct pricing with optimal cost-performance ratio. Experienced Manufacturer: Over 20 years of production experience in the spring industry.