Product Description Compression Spring Designed to absorb and store energy under axial loads, the compression spring is a fundamental mechanical component widely used across automotive, industrial, aerospace, and consumer applications. Manufactured from high quality spring steel, stainless steel, or specialized alloys, each spring is precision coiled and heat treated to deliver consistent force, optimal deflection, and long term fatigue resistance. Available in a variety of wire diameters, coil counts, and end configurations (closed, open, or ground), compression springs can be customized to meet specific load, space, and environmental requirements. Their reliable linear force characteristics make them ideal for suspension systems, valves, clutches, electrical contacts, and countless other mechanisms where controlled compression and return motion are essential. Built to endure repeated cycling and harsh operating conditions, these springs undergo rigorous quality testing to ensure performance stability and dimensional accuracy. Whether used in heavy duty machinery or delicate instruments, compression springs provide a cost effective, durable, and versatile solution for dynamic load management and motion control. Product Name Compression Spring Application Industrial, Automotive, Machinery, Electronics, Home Appliances Material Music Wire (SWP-A), Stainless Steel (SUS302/304/316), Carbon Steel, Chrome Silicon, Inconel, etc. Wire Diameter (d) 0.1 mm – 50 mm (Customizable) Outer Diameter (OD) 1 mm – 500 mm (Customizable) Free Length (L0) 2 mm – 1000 mm (Customizable) Solid Length Calculated based on design (Typically ≤ L0 - n*d) Number of Coils Total Coils / Active Coils (Customizable) Spring Rate (k) Customized per requirement (N/mm, lb/in, etc.) End Type Closed & Ground, Closed, Open, Double Closed, etc. Surface Treatment Zinc Plated, Powder Coated, Passivation, Galvanized, Nickel Plated, Painted, etc. Heat Treatment Stress Relieving, Tempering, etc. Load at Certain Length Customized (e.g., Load at L1, L2) Working Temperature -200°C to +300°C (Depending on material) Certifications ISO 9001, IATF 16949 (Automotive), RoHS, REACH Tolerance Standards DIN, ISO, JIS, ASTM, or Customer Drawing Sample Available Yes MOQ 1000 pcs (negotiable for prototypes) Lead Time 15–30 Days (depending on quantity & complexity) Packaging Plastic Bag + Carton Box + Pallet (or as requested) Key Features High Elasticity, Fatigue Resistance, Customizable Dimensions & Load, Durable Main products Company Profile Wenzhou Aoli Spring Manufacturing Co., Ltd: Your Trusted Partner for Precision Tension & Compression Springs As a professional spring manufacturer with decades of specialized expertise, we are dedicated to the research, development, production, and customization of high-performance tension hook springs and compression springs, catering to diverse and stringent industrial needs across automotive, aerospace, electronics, medical devices, consumer goods, industrial machinery, renewable energy, marine, and defense sectors. Our unwavering focus on precision engineering, material innovation, and reliable performance sets us apart in the highly competitive global market, where we have established a reputation for delivering solutions that not only meet but consistently exceed client expectations. We recognize that springs are often the unsung heroes of critical systems—enabling motion, absorbing shock, maintaining load, and ensuring safety—and we approach every production run with the attention to detail that this vital role demands. For us, a spring is never just a component; it is a promise of functionality, durability, and performance that our clients can rely on to keep their products and operations running smoothly. Company Advantage Certifications Packag