Our Capabilities

Designed and Production in China

Xinhaisen is a leading manufacturer specializing in precision metal etching, offering advanced solutions for a wide range of materials including stainless steel, titanium, copper, aluminum, nickel, and their alloys.

With extensive experience in chemical etching, we deliver fully customized components tailored to your exact specifications. Our services accommodate complex geometries, fine tolerances, and both prototype and mass production orders.

We accept designs based on detailed customer drawings or physical samples, ensuring that each piece meets stringent quality standards. By leveraging state-of-the-art etching technology and rigorous quality control, Xinhaisen consistently provides high-precision, reliable, and scalable solutions for industrial, automotive, electronics, and aerospace applications.

What Are Bipolar Plates?

Bipolar plates are essential components in hydrogen fuel cell systems, performing several critical roles. They conduct electrical current, evenly distribute reactant gases, and manage heat and water throughout the fuel cell stack.

As both a structural and functional element, bipolar plates have a direct impact on a fuel cell’s efficiency, longevity, and operational stability. They are commonly used in automotive fuel cells, stationary power units, aerospace applications, and portable energy solutions.

To achieve high performance, bipolar plates must be made from carefully selected materials and manufactured with precision and advanced processes, making them a key factor in advancing hydrogen energy technologies and supporting widespread adoption.

Materials We Produce for Bipolar Plates

• Stainless Steel – 316 / 316L

• Titanium & Titanium Alloys – Gr1, Gr2, Gr5

• Nickel & Nickel Alloys – Ni200, Ni201, Inconel, Hastelloy

• Copper & Copper Alloys

• Aluminum & Aluminum Alloys – 1060, 3003, 5052

Advantages of Etched Metallic Bipolar Plates

• Excellent Electrical & Thermal Conductivity – ensures efficient power transfer and effective heat management

• Ultra-Thin, High-Density Design – enables compact fuel cell stacks and higher volumetric power

• Robust & Durable – withstands vibration, pressure, and thermal cycling

• Precision Flow Channels – optimizes gas distribution and water management for improved performance

• Scalable Manufacturing – suitable for both prototyping and mass production in automotive

Applications of Etched Metallic Bipolar Plates

• PEM Fuel Cell Mass Production

• PEM/AEM Electrolyzers

• High-Temperature Fuel Cells

• Lightweight & Compact Stack Designs

• Research & Development / Experimental Systems

Why Choose Us

• Expertise in Precision Photo Chemical Etching – delivering complex, burr-free flow fields for high-performance bipolar plates

• Wide Range of Metal Options – including stainless steel, titanium, nickel, and other specialty alloys to meet diverse application needs

• Ultra-Thin, High-Precision Manufacturing – enabling compact stack designs and superior power density

• Flexible Solutions from Prototyping to Mass Production – fully customizable to match R&D or large-scale production requirements

• Rigorous Quality Control – ensuring consistent performance, durability, and long service life

FAQ:

1.What is the price of bipolar plate customization?

-- The price will be depended on material, thickness, size and other requirements, please feel free to send us your detail requirements, we’ll offer you the price asap.

2. How do we custom the bipolar plate?

-- Please send us your drawing in DXF, DWG, STP, PDF and other formats, we’ll do the evaluation and offer you the price.

3. How can we guarantee quality?

-- We always a pre-production sample before mass production, and always 100% final Inspection before shipment.

4. Why should you buy from us not from other suppliers?

-- Xinhaisen is established to specialized in the production of high-quality, finite and micro-size photo chemical etching metal products.Our seventy professional staff specialized in research and development , manufacturing and marketing service.

5. What services can we provide?

-- Accepted Delivery Terms: FOB, CFR, CIF, EXW；

Accepted Payment Currency:USD, EUR, JPY, CAD, AUD, HKD, CNY;

Accepted Payment Type: T/T, Paypal, Western Union, Cash.

Do you want to custom the bipolar plate?

Click "contact us" below to send us the drawing of Bipolar plate, we support DXF, DWG, STEP etc. Format.

Or send email directly at bella.xiang@xinhsen.com / WhatsApp: +86 18025476918