Products

Ultra thin stainless steel strip is a core precision metal material featuring ultra-thin thickness, high flatness, excellent corrosion resistance and stable mechanical properties, widely applied in consumer electronics, new energy, medical devices, aerospace and high-end architectural fields. As a professional manufacturer focusing on precision stainless steel materials, Qihong relies on advanced rolling technology, complete testing systems and standardized production processes to produce high-precision ultra-thin stainless steel strips covering 200, 300 and 400 series steel grades. All products are produced in the independent production factory located in Ningbo, strictly compliant with international quality standards, and solve the precision material demands of high-end industrial manufacturing. This paper comprehensively introduces Qihong’s ultra-thin stainless steel strip from product specifications, core advantages, practical application cases, and common customer questions, demonstrating its reliable product strength and industry applicability in China and global markets, and fully reflecting the professional service capability of a high-quality industrial supplier .

Based in China , Ningbo Qihong Stainless Steel Co., Ltd. is a professional manufacturer focusing on precision stainless steel materials and metal components. Our 0.03mm stainless steel spring strip stands out for ultra-high dimensional accuracy, stable elasticity and outstanding fatigue resistance. Produced inside our well-equipped factory with sophisticated rolling and tempering technology, this product meets strict requirements of micro electronic parts, precision instruments and miniature elastic components. As a trustworthy global supplier , Qihong delivers both standard products and custom solutions. This ultra-thin spring strip works steadily under frequent deformation and harsh environments, and has gained wide recognition from downstream manufacturers across multiple industries.

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.