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  1. Home
  2. Water supply and drainage construction business
  3. 明和工業
Water supply and drainage construction business
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明和工業

addressNiigata/Nishikan-ku, Niigata-shi/Dakeuchi 135-1
phone025-375-1000
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last updated:Aug 05, 2025
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  • Products/Services(35)
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明和工業 Company Profile

We will engage in new businesses in line with the flow of the times and provide many solutions related to water technology to our customers.

Meiwa Kogyo Co., Ltd. was established in 1969 as a plumbing construction company in what is now Niigata City. Currently, we have transformed into a company that provides various products and services related to water supply infrastructure and gas. We deliver innovative products such as the freeze-proof rapid air valve "Airis Neo" and the temporary piping rental service "Repix." Our ideal "monozukuri" (manufacturing) means pursuing uniqueness, simplicity, and high performance to the utmost limit. "We want to deliver unique and excellent products and services to people around the world." This is the greatest driving force that propels our company forward and represents our significance as a business. We will continue our thorough "monozukuri" and provide high-quality products and services that satisfy everyone.

Business Activities

【Manufacturing Industry】 ■ Water pipe bridges and bridge-mounted pipes ■ Steel-shaped pipes ■ Coated steel pipes for water transport ■ Non-freezing rapid air valves, agricultural air valves, small air valves ■ Stainless steel piping systems ■ Expansion joints ■ Emergency water supply tanks, water supply faucets ■ Water supply faucets for water supply vehicles ■ Gas water extractors ■ Steel fire-fighting water tanks ■ Water control valve boxes ■ Stop valve boxes ■ Welded sockets ■ Portable storage battery systems 【Construction Industry】 ■ Gas and water main installation work ■ Sanitary plumbing work for supply and drainage ■ Heating and cooling air conditioning work ■ Septic tank construction ■ Bridge repair work ■ Facility machinery work ■ Blasting work 【Rental Industry】 ■ Temporary materials for water main ■ Emergency materials joint storage system 【Engineering Business】 ■ Control panel design and manufacturing 【Solar Power Generation Business】 ■ Solar carports ■ Solar cycle ports 【Water Supply Business】 ■ Niigata East Port Water Supply Project

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catalog(34)

Survey responses are required to view e-book details. Click to view the e-book.

Hanging Rippy Catalog

Hanging Rippy Catalog

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Small Rapid Air Valve / MCV-G

Small Rapid Air Valve / MCV-G

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G-type approval drawing

G-type approval drawing

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Solar Cycle Port / Solaiyu Port

Solar Cycle Port / Solaiyu Port

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news(84)

説明動画 YOUTUBEサムネ.png

The promotional video for the super-efficient construction of the Groo Joint has been updated!

  • PRODUCT

We have renewed the PR video for Grojoint! In this renewal... ☑ The video conveys the construction speed even better! ☑ The features and benefits are explained more clearly! ☑ Updated to the Reiwa style. The latest version has been reborn stylishly! We encourage everyone considering reducing construction time and improving efficiency to take a look. Please take this opportunity to check out the latest construction image!☆

Mar 06, 2025

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★★★Flexible Smart Water Supply★★★ Custom Water Supply Tower for Water Supply Vehicles - Compatible with Various Water Supply Vehicles-

  • CATALOG

This product is a custom-made water supply tower for water supply vehicles, utilizing expertise in water pipe bridges and temporary piping. The piping can rotate 360 degrees and has excellent storage capability, enabling flexible and smart water supply. Additionally, by providing two water supply outlets, simultaneous water supply to two vehicles is possible, allowing for time savings and compatibility with various water supply vehicles. 【Features】 ■ Fully customizable ■ Two water supply outlets ■ Rotatable ■ Made of all stainless steel *For more details, please refer to the PDF document or feel free to contact us.

Jan 29, 2025

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Examine. Wash. Utilize. Create. ———— Meiwa Pipeline Renewal System M-PLUS ————

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We offer a comprehensive system that covers everything from on-site surveys to proposals, design, manufacturing, insulation, painting, construction, and aftercare, providing a wide variety of options to meet all needs and scenarios. We manufacture products tailored to various applications, including water pipe bridges such as standalone bridges and bridge-mounted pipes, as well as coated steel pipes for water transport, pressure iron pipes, on-site piping, buried pipes, pipe-in-pipe systems, and river crossing pipes. 【Meiwa Pipeline Renewal System M-PLUS】 ■ Camera surveys (non-water pipe internal camera surveys) ■ Pipe cleaning (SCOPE method "special pipe cleaning method for water pipes" and HS method "high-speed carbonated water cleaning method") ■ Renewal methods (SDF method) ■ Rehabilitation methods (hose lining method, Paltem HL method, etc.) ■ Temporary piping (REPCS) *For more details, please refer to the external link page or feel free to contact us.

Jan 22, 2025

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Detailed information

Company name 明和工業
Contact addresspostalcode 950-1348 Niigata/ Nishikan-ku, Niigata-shi/ Dakeuchi 135-1View on map TEL:025-375-1000 FAX:025-375-1001
Business LocationsClick here for the list
Industry Water supply and drainage construction business
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