Shenzhen Xinhaisen Technology Limited
| Payment Terms | T/T |
| Supply Ability | 10000-100000PCD / week |
| Delivery Time | 5-10 work days |
| Packaging Details | PE bags and Carton |
| Materials | Stainless steel or customized |
| Corrosion Resistance | Excellent |
| Tolerance | +/- 0.05mm |
| Surface | Burrs-free |
| Flatness | Flat |
| Lead Time | 1-2 weeks |
| Thickness | 0.5mm-3.0mm |
| Technology | Photo Chemical Etching |
| Brand Name | XHS/Customize |
| Model Number | Customize |
| Certification | ISO 9001, ISO 14001, IATF 16949 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 10000-100000PCD / week |
| Delivery Time | 5-10 work days | Packaging Details | PE bags and Carton |
| Materials | Stainless steel or customized | Corrosion Resistance | Excellent |
| Tolerance | +/- 0.05mm | Surface | Burrs-free |
| Flatness | Flat | Lead Time | 1-2 weeks |
| Thickness | 0.5mm-3.0mm | Technology | Photo Chemical Etching |
| Brand Name | XHS/Customize | Model Number | Customize |
| Certification | ISO 9001, ISO 14001, IATF 16949 | Place of Origin | China |
| High Light | Chemical etched metal bipolar plates ，Japanese fuel cell bipolar plates ，Redox flow battery bipolar plates | ||
Chemical Etched Metal Bipolar Plates for Japanese Fuel Cells & Redox Flow Batteries
Shenzhen Xinhaisen Technology Limited specializes in high-precision chemical etching for metal parts. Our etched bipolar plates are manufactured using advanced photochemical machining, delivering superior flatness, micro-channel precision, and design flexibility for hydrogen fuel cells, redox flow batteries, and PEM electrolyzers.
With etching capabilities on materials from 0.5mm to 3.0mm thick, we produce bipolar plates with intricate flow fields, minimal burrs, and no thermal stress.
Material preparation – Stainless steel, titanium, or other alloys.
Cleaning & lamination – Double-sided photoresist coating.
UV exposure – Using high-precision photo-tools to define flow channels.
Developing – Removing unexposed resist.
Spray etching – Simultaneous double-sided etching for uniform channels.
Stripping & cleaning – Resist removal and deionized water rinse.
Inspection – 2.5D measurement, flatness test, and channel depth check.
High uniformity: ±0.05mm tolerance across the entire plate.
No burrs or heat distortion: Etching preserves material properties.
Complex geometries: Any parallel or pin-type flow field design.
Material versatility: SUS304, SUS316L, titanium, nickel, and alloys.
Thin to thick plates: 0.5mm to 3.0mm.
Fast prototyping to mass production: No hard tooling costs.
| Parameter | Specification |
| Material Options | SUS304, SUS316L, Titanium (Gr1, Gr2), Nickel,etc. |
| Thickness Range | 0.5mm – 3.0mm |
| Flatness | ≤ 0.05mm (depending on size) |
| Max Plate Size | 1800mm × 650mm |
| Lead Time | 3–7 days for samples; 7–15 days for mass production |
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Proton Exchange Membrane Fuel Cells (PEMFC) – Hydrogen vehicles, stationary power.
Solid Oxide Fuel Cells (SOFC) – High-temperature systems.
PEM Electrolyzers – Green hydrogen production.
Vanadium Redox Flow Batteries (VRFB) – Large-scale energy storage.
Laboratory R&D – Custom flow field testing.
13+ years of precision etching experience.
Advanced etching lines – High capacity, fast turnaround.
ISO9001 certified quality management.
No MOQ – Prototypes to millions of pieces.
Export experience – Reliable global shipping.
Welcome to contact us at any time!
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2012
Total Annual:
4000000-6000000
Employee Number:
260~300
Ecer Certification：
Verified Supplier
For over 13 years Xinhaisen has pioneered developments in photochemical etching, achieving standards admired by the industry and appreciated by a global customer base from a wide range of high-tech engineering markets. Since found in 2012, in affiliating with our customers we have pioneered many new... For over 13 years Xinhaisen has pioneered developments in photochemical etching, achieving standards admired by the industry and appreciated by a global customer base from a wide range of high-tech engineering markets. Since found in 2012, in affiliating with our customers we have pioneered many new...
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