China Stainless Steel 202 Coils Manufacturers,Suppliers, Factory

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.

Today, industrial production demands increasingly stringent material performance requirements, and 304 stainless steel foil, a high-quality austenitic stainless steel sheet, has long been a necessity in high-end fields such as electronics, medical, and new energy thanks to its superior properties. Its excellent corrosion resistance, ease of processing, and stable physical properties have won widespread favor across various industries—one of the core reasons why Ningbo Qihong is deeply committed to this type of material.

Ningbo Qihong Stainless Steel focuses on the research and manufacturing of high-strength stainless steel strips. Leveraging years of precision machining experience and a complete supply chain system, we have created martensitic hardened stainless steel strips that meet the high-end needs of various industries. Our Hardened Stainless Steel Strip is based on high-quality materials such as 420 (3Cr13), 440A, and 440B, and is meticulously crafted using our proprietary and mature quenching and tempering heat treatment process. It combines high hardness, wear resistance, and basic corrosion resistance, precisely matching the core component manufacturing needs of medical devices, precision electronics, high-end cutting tools, and other fields, providing customers with highly stable and adaptable precision material support.

In the modern industrial wave of miniaturization of electronic components, lightweighting in aerospace, and high safety in medical devices, the precision and durability of materials directly determine the core competitiveness of end products. Stainless steel foil strip, as a metallic material combining high precision, high strength, and excellent chemical stability, is becoming the preferred material for high-end fields such as electronics, medical, and new energy. With years of experience in the precision stainless steel industry, we provide stainless steel foil strip products that meet the high-end needs of various industries through professional processes and stringent quality control.

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.

Our expertise lies in delivering tailor-made solutions to cater to your unique needs. The 410 stainless steel plates we provide exhibit distinct properties, not only excelling in performance but also offering exceptional processing capabilities. This versatility grants a significant advantage over other stainless steel strips available in the market.At Qihong, we are committed to delivering products of the highest quality, ensuring that our 410 Stainless Steel Plates meet and exceed your expectations. Choose us for reliable and customized solutions that address your specific application requirements.