ULTRA-THIN PRECISION
STAINLESS STEEL FOIL

0.005 - 0.05mm

±0.003mm

Full Inspection

Fast Response
ABOUT US
We specializes in the R&D, production and customized supply of ultra-thin precision stainless steel foils. We are one of the few professional manufacturers in China capable of stably mass-producing ultra-thin precision stainless steel foils at the level of 0.005–0.05mm.
Centered on “extreme thinness and micron-level precision”, we provide high-performance metal material solutions for global high-end manufacturing customers.
WHY CHOOSE ALTER

TECHNICAL EXPERTISE
Core team with over 20 years of deep experience in precision rolling, focusing exclusively on ultra-thin materials.
Equipped with 20+ high precision rolling mills, continuous bright annealing, high-precision tension leveling and slitting lines, with full-process closed-loop control.
304 / 321 / 316L, with customizable tempers (annealed, full hard etc.)

RELIABLE QUALITY
Compliant with ISO 9001 quality management system, full inspection for each batch, with complete material test certificates provided.
0.005mm–0.05mm (5–50μm), breaking the limits of conventional stainless steel strips
±0.003mm, with flat profile, no waviness and no creases

CUSTOMIZED SERVICE
One-stop support from material thickness / hardness / surface customization to slitting, leveling and special treatments tailored to your needs.
Standard products delivered in 7-10 days, fast response for customized orders, supporting small-batch trial production and stable large-volume supply.
Free sample for testing & small MOQ.
TARGET APPLICATIONS

CONSUMER ELECTRONICS
- Foldable screen hinges
- Micro clips
- EMI shielding covers
- Sensor substrates
- Camera modules

MEDICAL & HEALTHCARE
- Minimally invasive devices
- Implantable sensors
- Surgical blades
- Precision catheters
- Sterilization components

NEW ENERGY
- Hydrogen fuel cell bipolar plates
- Lithium battery current collectors
- Flexible photovoltaic substrates
- Thermal dissipation foils

PRECISION MANUFACTURING
- Semiconductor etching parts
- Laser stencils
- MEMS devices
- Micro springs
- Precision gaskets

AEROSPACE & DEFENSE
- Lightweight structural parts
- Electromagnetic shielding
- High-temperature sealing
- Precision instruments
OUR VISION
With micron-level manufacturing capabilities, we empower high-end manufacturing; with superior material performance, we help your products break through boundaries.
At Alter, we pursue not only “thinner”, but also “more precise, stronger and more stable”. striving to become your trusted strategic partner for ultra-thin precision stainless steel foils.



