
Antirust Oil Stable Good Quality New Extension Spring. 50+ Years Experience: Over 50 years of production experience integrating design, development, and sales. Full Customization: Customizable size, wire diameter, surface treatment, color, and helical direction. Direct Factory Sales: Factory price direct sales with no middleman markup and better prices for larger quantities. Wide Material Range: Available in Spring Steel, Carbon Steel, and Stainless Steel with diameters 0.2mm-14mm. Low MOQ: Minimum order quantity is small, making it accessible for various needs. Fast Delivery: Standard delivery time ranges from 7 to 15 working days. OEM/ODM Service: Professional team supports OEM/ODM orders based on customer requirements and drawings. ISO 9001 Certified: Manufacturing process certified under ISO 9001 standards for quality assurance.