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Lid Assemblies

We manufacture or procure sealing plates, current collectors, terminals, and packing according to customer needs and assemble and sell them.
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One-stop Customization for Lid Assemblies

We can be entrusted with the fabrication and assembly of the various parts associated with the lid assemblies and airtightness inspections. We offer custom-made services and can handle everything from the assembly of lids designed by the customer to suggestions at the time of design.

It is possible to perfectly fit the case and perform optimal sealing welding. We can also perform all helium leak tests. We have a proven track record in lithium battery lid assemblies for the latest commercial aircraft and rockets so that you can use our lids confidently.

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The Latest Structures & Technologies

We are constantly manufacturing new specialized battery lid assemblies using the latest structures and technologies such as riveting and resin molding.

Our Five Strengths

  1. Point 01
    High-mix, Low-volume Production Icon

    High-mix, Low-volume Production

  2. Point 02
    Responding to requests for Short Delivery Times Icon

    Responding to requests for Short Delivery Times

  3. Point 03
    High-difficulty & Special Processing Icon

    High-difficulty& Special Processing

  4. Point 04
    Design, Prototyping & Mass Production Icon

    Design, Prototyping & Mass Production

  5. Point 05
    JIS Q 9100 Compliant Quality Control Icon

    JIS Q 9100 Compliant Quality Control

Why Ohkita

Quality Assurance

JIS Q 9100 Certified

Our Shimamoto Factory was certified in September 2015 for JIS Q 9100. This means it meets the requirements for quality management systems in manufacturing specialized battery parts for civil aircraft and space applications.

Production & Quality Control Systems

We take a centralized approach to production and quality control. From receiving an order to delivering the product, every stage is managed through an integrated database. Our manufacturing records ensure that our products are all traceable.

  1. Appearance Inspections

    Appearance Inspections

  2. Dimensional Inspections icon

    Dimensional Inspections

  3. Helium Leak Tests icon

    Helium Leak Tests

  4. Penetration Tests icon

    Penetration Tests

  5. Tensile Tests icon

    Tensile Tests

  6. Hardness Tests icon

    Hardness Tests

View Quality Assurance
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We will help you choose the best product for your needs.

Available in both English and Japanese.

Our professional staff will provide you with detailed customer service.

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