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  1. Home
  2. Resin/Plastic
  3. 五洋紙工
Resin/Plastic
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五洋紙工

EstablishmentDecember 26, 1950
capital9300Ten thousand
addressOsaka/Suminoe-ku, Osaka-shi/4-13-18 Anri, Chuo-ku
phone06-6671-0175
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last updated:Sep 18, 2025
五洋紙工logo
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  • Products/Services(30)
  • catalog(25)
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五洋紙工 Company Profile

We are further developing and expanding advanced processing methods and sophisticated extrusion techniques polished with laminated processing paper.

Since its establishment in 1950, Goyou Paper Co., Ltd. has been engaged in the manufacturing and sales of waterproof and moisture-proof processed paper, which is essential for distribution systems. While capturing the needs of a changing era, we have consistently strived for advanced technological development and the evolution of original products under the spirit of "being the only one." Aiming to establish advanced processing technologies required for the next generation, we will continue our research and refinement, pioneering business development in a market with infinite possibilities to carve out the future.

Business Activities

- Manufacturing and processing sales of polyethylene and other synthetic resin laminated materials based on paper, non-woven fabric, film, etc., as well as recyclable moisture-proof paper and various packaging and laminated materials. - Manufacturing and processing sales of prism sheets and design sheets.

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Millimeter wave absorption sheet

Millimeter wave absorption sheet

A broadband electromagnetic wave absorption sheet that absorbs millimeter waves across a wide frequency range with this one sheet.

This is a sheet-type electromagnetic wave absorber that can be used for noise countermeasures in millimeter-wave radar, millimeter-wave sensing, information communication devices (Beyond 5G), and more. Unlike conventional products that absorb only specific frequencies, this sheet can absorb a wide range of millimeter waves extending to several tens of GHz, allowing it to accommodate multiple devices with different frequencies using just one sheet. The design of the sheet also allows for adjustment of the absorption frequency to the desired band. It is lightweight and flexible, making it possible to process into any shape, and can be attached to various locations by providing an adhesive layer.

Products/Services (30)

Woyou Paper Co., Ltd. Company Overview product image
Woyou Paper Co., Ltd. Company Overview
Small multi-layer extrusion test device product image
Small multi-layer extrusion test device
Special film manufacturing and extrusion lamination processing (development support, prototyping, contract production) product image
Special film manufacturing and extrusion lamination processing (development support, prototyping, contract production)
Functional film product image
Functional film

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catalog(25)

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Seaweed bed creation sheet technical documentation

Seaweed bed creation sheet technical documentation

TECHNICAL
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Dielectric Elastomer Technical Documentation

Dielectric Elastomer Technical Documentation

TECHNICAL
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Millimeter Wave Absorption Sheet Technical Data

Millimeter Wave Absorption Sheet Technical Data

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Goyou Paper Co., Ltd. Company Overview

Goyou Paper Co., Ltd. Company Overview

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news(21)

IMG_7279.jpeg

Thank you for visiting the 16th Advanced Functional Materials Week Tokyo Exhibition (Makuhari Messe).

  • COMPANY

Thank you very much for visiting the Goyo Paper booth at the "16th Advanced Functional Materials Week Tokyo Exhibition (Makuhari Messe)" held from November 12 (Wednesday) to 14 (Friday). This time, we showcased the following three items for the first time, and we received a lot of interest from many customers: - Millimeter-wave compatible ultra-wideband electromagnetic wave absorption sheet (development product) - Dielectric elastomer (development product) - Seagrass bed creation sheet (development product) We also received a wide range of specific inquiries regarding our prototype development and contract production utilizing our "extrusion lamination processing" × "high-performance film manufacturing" technology, for which we are deeply grateful. If you were unable to have a thorough discussion with us on the day or if you have any requests for samples, please feel free to reply to this email or contact us through our corporate website. We look forward to your continued support and patronage. Thank you very much.

Nov 19, 2025

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Notice of Participation in the 16th High-Performance Materials Week Tokyo Exhibition (Makuhari Messe)

  • SEMINAR_EVENT

Woyou Paper Co., Ltd. will be exhibiting at the 16th High-Performance Material WEEK [High-Performance Film Exhibition] to be held next month. This time, we will be unveiling three newly developed items all at once, and we plan to distribute the latest brochures at the exhibition venue. Additionally, under the themes of "Prototype Support," "Contract Manufacturing," and "Environmental Response," we will showcase various processed products from our company. If you have any concerns regarding the development of your film materials, BCP compliance for your production, securing capacity, or switching to biomass materials, please feel free to consult us at our booth. Event Name: 16th High-Performance Film Exhibition - FILMTECH JAPAN - within High-Performance Material WEEK Dates: November 12 (Wednesday) to 14 (Friday), 10:00 AM to 6:00 PM (ends at 5:00 PM on the final day) Venue: Makuhari Messe (8-56) Exhibition URL: https://www.material-expo.jp/tokyo/ja-jp.html#/ *Registration form for entry badges: https://www.material-expo.jp/tokyo/ja-jp/register.html?code=1451521859251534-YN1

Oct 24, 2025

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We have released a new company introduction video!

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Goyou Paper Co., Ltd. PR Video - Innovation with Our Original Technology *The video can be found in the related link below.

Apr 24, 2025

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Detailed information

Company name 五洋紙工
Contact addresspostalcode 559-0003 Osaka/ Suminoe-ku, Osaka-shi/ 4-13-18 Anri, Chuo-kuView on map TEL:06-6671-0175 FAX:06-6672-6104
Business LocationsClick here for the list
Industry Resin/Plastic
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