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Yaoyi, Inc. – Precision in Every Micron Since 1996

Custom Stainless Steel Foils in 301, 304, 316, and 316L Grades – Tailored to Your Needs

Welcome to Yaoyi, Inc., the stalwart in the stainless steel foil industry. With an unyielding commitment to precision and quality spanning over two decades, we specialize in manufacturing stainless steel foils with a thickness of 0.01mm to 0.05mm.

All Products

  • 301 Stainless Steel Foil: Your perfect choice for exceptional durability and resistance.

  • 304 Stainless Steel Foil: Celebrated for its extraordinary formability across industries.

  • 316 Stainless Steel Foil: A champion in corrosion resistance, promising longevity in even the harshest conditions.

  • 316L Stainless Steel Foil: With its superior weldability, this foil is designed for the most sophisticated applications.

316L Stainless Steel Foil

Producing stainless steel foil from thickness 0.01~0.05mm (0.00039~0.0019 in).

304 Stainless Steel Foil

We are especially good at semi-rigid 304 stainless steel coil production.

301 Stainless Steel Foil

yaoyi's 301 stainless steel foil, thickness, can provide you with 0.01~0.6mm.

316 Stainless Steel Foil

316 stainless steel coil has the best anti-rust performance among stainless steels

The Reason Why Fortune 500 Companies Choose Yaoyi

Professional Research and Development

Our team of professional stainless steel engineers can ensure the quality of stainless steel. They also exclusively developed alternatives to 301 stainless steel and 304 stainless steel, saving you costs. Among similar products, Yaoyi's stainless steel elongation rate is higher than 10%.

Taxes Paid Exceeded RMB 100 Million

From 1996 to 2007, Yaoyi developed rapidly. With China's Economic Reform and open up, the demand for the stainless steel market grew rapidly. In 2007, Yaoyi achieved the goal of paying more than 100 million RMB in taxes. Compliance with laws and regulations is our responsibility to the government. It is our responsibility to you to meet your requirements with quality and quantity.

24/7 Online support & Free Quote

Our team will be online 24/7 to provide you the best stainless steel solutions. Get a free quote or ask any anything.

25 Years Professional Manufacturers

Since 1996, engineer Mr.Zhang Yue founded Yaoyi. He has worked as a metallurgical engineer in a stainless steel plant for 14 years and has accumulated rich experience in stainless steel research and production.

Full Monitoring From Entering to Leaving

After receiving an order ,we will check the warehouse to look for suitable raw materials. If there is no, we will immediately purchase the hot-rolled coils you need and produce. After annealing-grinding-cold rolling-leveling-straightening-shearing and other processes, it will be recorded. We will take samples to the laboratory after production and keep the samples for more than 1 year.

Competitive Rate

Due to our long-term stable supply chain system, yaoyi can get good prices from hot rolled coil manufacturers and stainless steel pipe manufacturer.

Crafting Precision in Every Micron – Our mission at Yaoyi.

Our heartfelt commitment is to deliver high-quality, customized stainless steel foils. With two decades of craftsmanship, we’re dedicated to professionalism, customer satisfaction, and elevating success for our clients, one foil at a time.

Besides Ordinary Products

J3 Stainless Steel

J3 Grade is a chromium-manganese austenitic stainless steel, with moderate amounts of copper, nickel and nitrogen.

J4 stainless steel

J4 is suitable for replacing chromium-nickel grades 301, 304 in many applications.

Y1 stainless steel

Y1 is a hard state, austenitic stainless steel that is hardenable by heat treatment. In addition, it has ultra-high tensile properties.

Y6 stainless steel

Y6 has high tensile properties. It's hardness and HV intensity reaches 500. *Independently researched and developed by Yaoyi.

Our Quality Assurance

Follow the ISO 9001 standard


As a Stainless Steel Manufacturers, Yaoyi was established in 1996 by Mr.Zhang Yue, the general manager graduated from Northeastern University-Metallurgy Department. The engineers of R&D team of Yaoyi Stainless Steel is excellent, they will be glad to help you solve the problems.


Yaoyi Stainless Steel strictly controls the quality in accordance with the internal control standards of ISO 9001. Not only that, we also have advanced laboratory equipment to test the hardness, elongation and chemical composition of each batch of stainless steel coils.


Yaoyi Stainless has a CNC system to control the thickness tolerance of the stainless steel strip within 0.005mm. We also have a spectrometer imported from Germany to accurately analyze the chemical composition of the stainless steel strip. We can do the tests for you for free.

spectrometer of 316 stainless steel plate


Stainless Steel Foil is a thin, flat sheet of stainless steel, typically available in rolls. It is widely used in various industrial and domestic applications due to its excellent resistance to corrosion and other favorable mechanical properties. Stainless steel foil can be used for shielding, as a substrate, and in electrical applications.

One popular use of stainless steel foil is in food packaging. It is also used in construction for cladding and other architectural uses. With the automotive industry leaning towards lighter vehicles for better fuel efficiency, stainless steel foil has found its application there as well. Additionally, in electrical appliances, it serves as an essential component.

Advantages of Using Stainless Steel Foil:

  • Corrosion Resistance
  • High Strength-to-Weight Ratio
  • Excellent Formability
  • Heat Resistance
  • Easy to Clean
Food PackagingWrapping
AutomotiveBody Panels
ElectricalCircuit Shields

Different types of stainless steel foil such as 304 stainless steel foil, 316 stainless steel foil, and 301 stainless steel foil, offer variations in strength, corrosion resistance, and formability. These types are chosen based on specific requirements.

Choosing the right stainless steel foil supplier is crucial to ensure that you get high-quality material that meets your specific needs. Research is essential when looking for a supplier. It would help if you considered aspects like reputation, reviews, and testimonials of the supplier.

Another thing to consider is the range of stainless steel foils they offer. Make sure they provide the type of stainless steel foil you need, be it 316 stainless steel foil or 304 stainless steel foil. The pricing is another crucial factor to consider; compare quotes from different suppliers for the same type and quantity of stainless steel foil to ensure you get the best deal.


Some well-known stainless steel foil suppliers offer customization options. If you have specific requirements, make sure the supplier can cater to those. Check for certification and other quality assurance measures, like ISO certification. Lastly, consider the lead time and delivery options available.

The cost of stainless steel foil is influenced by several factors. The grade of the stainless steel, for example, 316 stainless steel foil, might be more expensive than a 304 stainless steel foil due to the higher corrosion resistance it offers. The thickness and dimensions of the foil can also impact the price. The surface finish can be another factor, especially if you require a specific finish for aesthetic or functional reasons.

FactorInfluence on Price
Surface FinishMedium

Currency fluctuations can also affect the cost. Prices may vary depending on the region of the stainless steel foil manufacturer. For example, European manufacturers may have higher prices than Asian manufacturers due to labor costs and other overheads. Import duties and taxes can also add to the cost if you are importing the foil.

Finding a stainless steel foil supplier near you can offer several benefits, such as reduced shipping time and costs. You can start by doing an online search, specifically looking for suppliers in your area. Many websites offer a “Find a Supplier Near Me” feature, where you can enter your location to find nearby suppliers.

Online PlatformsProsCons
Google SearchComprehensive resultsTime-consuming
Supplier DirectoriesCurated listLimited options
Industry ForumsExpert RecommendationsRequires membership

You can also consult industry directories, which often categorize suppliers by region. Alternatively, consider asking for recommendations from colleagues in your industry. Trade shows and industry-specific events can also be a good place to find local suppliers.

Proper storage of stainless steel foil is essential to maintain its quality and prevent damage. The foil should be stored in a clean and dry environment. Any moisture can cause the stainless steel to corrode, especially if the foil is thin. Store the foil rolls off the floor, on pallets or shelves, to prevent contamination from dust or other particles.

Storage Guidelines

  • Clean, Dry Environment
  • Off the Floor
  • On Pallets/Shelves
  • Away from Corrosive Substances
Storage ConditionInfluence on Quality
Corrosive AgentsNegative

It is advisable to keep the foil in its original packaging until ready for use. If the foil has been partially used, reseal the packaging or wrap it in plastic to prevent contamination. Always handle the foil rolls carefully to avoid dents and other physical damages.

Although stainless steel foil is widely used, there are other materials you could consider based on the application and specific requirements. Aluminum foil is one such alternative that is lighter and less expensive but offers less strength and corrosion resistance. Copper foil offers high electrical conductivity but is also more expensive and less durable.

Aluminum FoilLight, CheapLess Durable
Copper FoilConductiveExpensive, Less Durable

If you require high thermal conductivity, you may opt for graphite foil. However, graphite is not suitable for applications requiring high mechanical strength. Titanium foil offers high strength and corrosion resistance but is significantly more expensive than stainless steel foil.

Quality verification is a crucial step when purchasing stainless steel foil. Always request a certificate of compliance or a material test report from the stainless steel foil supplier. These documents will provide detailed information about the chemical composition, mechanical properties, and other quality parameters of the stainless steel foil.

Quality Parameters

  • Chemical Composition
  • Mechanical Properties
  • Surface Finish
TestWhat it Measures
Tensile TestStrength
Hardness TestDurability
SpectroscopyChemical Composition

You can also conduct tests like tensile tests, hardness tests, and spectroscopy to verify the quality parameters. Visual inspection for any surface defects, irregularities in thickness, or any other deformities is also essential. If possible, it is advisable to obtain a sample and test it under your specific application conditions.

Stainless steel foil can be cut and fabricated using various techniques. The choice of method depends on the thickness of the foil and the required precision. Shearing is a common method used for thin foils, whereas laser cutting or water jet cutting may be used for thicker foils requiring high precision.

Cutting Methods

  • Shearing
  • Laser Cutting
  • Water Jet Cutting
MethodSuitable forPrecision
ShearingThin FoilLow
Laser CuttingThick FoilHigh
Water JetThick FoilMedium

For fabrication, methods like bending, rolling, and stamping are commonly used. Welding can also be done, but it requires specialized skills to prevent warping or other deformities. Always ensure to follow safety guidelines when cutting or fabricating stainless steel foil.

Stainless steel foil is considered an eco-friendly material as it is 100% recyclable. Most stainless steel foils contain a significant amount of recycled content and can be recycled at the end of their life without degradation of quality. The production process of stainless steel foil has also evolved to become more energy-efficient, reducing its carbon footprint.

AspectEnvironmental Impact
ProductionNeutral to Negative

However, it’s essential to consider the environmental policies of the stainless steel foil manufacturer. Check if they comply with environmental regulations and what steps they are taking to reduce waste and emissions. Opting for a supplier with strong environmental policies not only reduces your environmental impact but also ensures a more sustainable supply chain.