Products

Qihong High Strength Stainless Steel Spring Strip is a precision cold‑rolled elastic material independently developed by Ningbo Qihong Stainless Steel Co., Ltd. located in China . It features ultra‑high tensile strength, stable elastic recovery, excellent fatigue resistance, and good corrosion resistance, suitable for high‑cycle, high‑load, and long‑life spring components. As a professional manufacturer integrating R&D, production, and testing, Qihong provides stable, reliable, and customizable high‑strength spring strip solutions for global customers. As a trusted supplier to automotive, electronics, precision instruments, and medical devices, Qihong ensures consistent performance and strict dimensional control through advanced factory equipment, scientific management, and professional inspection systems.

Hardened stainless steel spring strip is a cold-rolled tough steel material. It is mostly made for elastic parts that bend repeatedly. Located in Ningbo, we temper every steel coil in stable production conditions. This keeps steady hardness, good bending performance and longer fatigue life. Compared with ordinary stainless strips, our hardened steel maintains good elasticity under continuous force. It is a trustworthy material for precision shrapnel and small spring components. We have complete in-house rolling lines and testing machines. Every production batch is checked carefully on dimension, surface condition and hardness. We never use low-grade raw materials to cut costs. For us, stable quality and high precision always come first for industrial buyers.

In the industrial manufacturing field, the performance of spring strips directly affects the lifespan and reliability of the final product. Ningbo Qihong Stainless Steel Co., Ltd. has been deeply involved in the precision stainless steel strip processing field for many years. Leveraging its professional technical expertise and rigorous production management system, it provides global manufacturers with Cold Rolled Stainless Steel Spring Strip that meet stringent standards.

Qihong, a leading China manufacturer and supplier, produces the flagship Stainless Steel Spring Strip Coil in-house. With advanced factory equipment and strict quality control, we deliver high-quality, cost-effective coils in 200, 300, 400 series. Thickness 0.03–3.0 mm, width 3–600 mm, adjustable hardness 1/2H–SH. Ideal for automated stamping, electronics, automotive, medical; supports ASTM, JIS, GB standards, stock or custom orders.

Ningbo Qihong has been supplying precision stainless steel strips for many years. We have complete, readily available equipment, experienced workers, and reliable technicians. We specialize in producing thin stainless steel spring strips. Our raw materials are carefully selected high-quality stainless steels such as SUS301, SUS304, and SUS316. We meticulously process each step, from cold rolling to heat treatment, without cutting corners. Our steel strips are extremely thin, ranging from 0.03mm to 0.5mm, almost at the micron level. They offer excellent precision, elasticity, and rust resistance, making us one of the best in the industry. Our production adheres to international standards such as ASTM, JIS, and GB, making them suitable for industries like consumer electronics and new energy. The products we deliver to our customers are durable, reliable, and flexible materials.

Qihong, a leading China manufacturer and supplier, specializes in Precision Stainless Steel Spring Strip. Leveraging advanced processing, precision rolling, bright annealing, and tension leveling, we ensures micron-level accuracy, uniform hardness, and excellent elasticity. Produced to GB, ASTM, and JIS standards, these spring strips meet high-end electronics and new energy needs, offering reliable elastic solutions for precision components.