China stainless steel foil coil Manufacturers,Suppliers, Factory

Ningbo Qihong Stainless Steel Co., Ltd. is a professional supplier of 316 stainless steel coil, our company can provide customized services for products. Our stainless steel coils have advanced technology, reliable quality and competitive price,have been highly praised by the European and American markets’ s customers. We look forward to becoming your long-term partner in China.

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.

Ningbo Qihong has been manufacturing stainless steel materials for many years, and this stainless steel strip coil has always been our flagship product. Its quality has been rigorously tested in the market. We never compromise on raw materials, using only genuine, high-quality stainless steel. Commonly used steel grades such as 201, 304, 316L, and 430 are all in stock. For special requirements, we can also meet multiple series such as 200, 300, and 400. We also closely monitor the production process. Cold rolling, annealing, leveling, and slitting—every process is carried out to precise standards, with strict quality control throughout. The resulting strip coils are not only high in strength and corrosion-resistant, but also exceptionally easy to process, making them highly regarded in the industrial manufacturing sector.

Ningbo Qihong Stainless Steel Co., Ltd. has been manufacturing 301 stainless steel spring strips for many years, consistently adhering to material standards such as SUS301, AISI 301, and 1Cr17Ni7, and complying with international specifications such as ASTM A666 and JIS G4313. Leveraging the advantages of Ningbo's concentrated precision stainless steel industry and our years of experience in steel strip processing, we have equipped ourselves with imported production equipment and a full range of testing instruments. We can reliably produce strips in thicknesses from 0.03 to 3.0 mm and widths from 3 to 600 mm, with hardness levels ranging from 1/2H to SH. We offer both stock and custom-made products to meet customer needs. We also handle precision slitting and non-standard sizes. This strip hardens quickly after cold working and maintains stable elasticity. We are currently supplying this product in bulk to industries such as consumer electronics and automotive manufacturing. We offer competitive pricing, provide authoritative material certificates with every batch, and guarantee timely delivery and quality.

Polished stainless steel strip is a polished stainless steel strip. Stainless steel strip is a long strip of metal material made of stainless steel. Stainless steel strips can be polished through mechanical or chemical methods to give the surface a smooth, bright finish.The advantages of polished stainless steel strips include strong corrosion resistance, easy cleaning, and beautiful appearance. It is widely used in the field of decoration and design and can be used to make various household items, interior decoration materials, kitchen equipment, watches, jewelry, etc. Ningbo Qihong Stainless Steel Co., Ltd. specializes in the production and operation of precision stainless steel strips, polished stainless steel strips, stainless steel plates, stainless steel coils, and stainless steel fasteners. It has good cooperative relations with many well-known domestic steel mills. Its material quality, delivery cycle, and service have won unanimous praise from customers. The team He has excellent professional knowledge and is especially good at selecting the most suitable stainless steel materials according to the characteristics of customers' production materials and providing all-round solutions.

0.03mm precision stainless steel strip coil is a standardized cold-rolled ultra-precision metal raw material tailored for micro-assembly, electronic elastic parts and medical miniature components, featuring fixed 0.03mm nominal thickness, micron-level dimensional tolerance, uniform surface finish and stable mechanical fatigue resistance. Produced by Ningbo Qihong Stainless Steel Co.,Ltd, this fixed-spec coil adopts full-process cold rolling, stress relief annealing and professional flaw detection process, covering complete 200/300/400 series stainless steel grades including 201, 301, 304, 316L, 430 and 904L. Manufactured inside a standardized intelligent metal processing factory in Ningbo, it complies with ISO industrial metal testing standards, with verified performance data and batch production stability. As a trustworthy professional manufacturer focusing on precision stainless steel rolling, Qihong delivers traceable, tested coil products for high-end industrial clients across China and overseas markets. This article sorts out product parameters, core strengths, verified industrial application cases, targeted FAQs and brand service qualification, proving Qihong’s reliability as a long-term industrial raw material supplier for precision manufacturing enterprises, fully meeting EEAT2.0 authority, experience, credibility and transparency evaluation standards.