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  5. Piping materials (copper pipes, cast iron pipes)
  6. Water pipe bridge, bridge-mounted pipes, coated steel pipes for water transport, steel-shaped pipes.

Water pipe bridge, bridge-mounted pipes, coated steel pipes for water transport, steel-shaped pipes.

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last updated:Dec 25, 2025

明和工業
明和工業
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A bridge of evolution that connects to the future! Meiwa Kogyo's water pipe bridge is a completely custom-made prefabricated system water pipe bridge!

We offer a comprehensive system from on-site investigation to proposal, design, manufacturing, insulation, painting, construction, and after-sales service, providing a wide variety of options to meet all needs and scenarios. We manufacture according to application, including water pipe bridges such as standalone bridges and bridge-mounted pipes, as well as coated steel pipes for water transportation, pressure iron pipes, on-site piping, buried pipes, pipe-in-pipe systems, and river crossing pipes. **Features of Water Pipe Bridges** - The main pipe can be selected from stainless steel pipes, steel pipes, polyethylene pipes, and others. - We offer a variety of options including various coatings, FRP corrosion protection, and insulation work. - Our full-order system allows for customization according to specifications and applications. **Meiwa Pipeline Renewal System M-PLUS** - Camera inspection (non-water pipe internal camera inspection) - Pipe cleaning (SCOPE method "special cleaning method for water pipes" and HS method "high-speed carbonated water cleaning method") - Renewal method (SDF method) - Rehabilitation method (hose lining method, Paltem HL method, etc.) - Temporary piping (REPCS) **Water Pipe Bridge Diagnosis Service** - Water pipe bridge diagnosis service (deterioration diagnosis, seismic diagnosis) *For more details, please refer to the external link page or feel free to contact us.*

    Piping materials (copper pipes, cast iron pipes)
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Water pipe bridge, bridge-mounted pipes, coated steel pipes for water transport, steel-shaped pipes.

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  • Related Link - https://www.meiwajp.com/product/pplp/
  • Special site - Product/service details - https://pr.www.ipros.com/meiwajp/product/

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[Affiliated Organizations] - Japan Water Works Association - Japan Water Industry Association - Japan Water Steel Pipe Association - SDF Technology Association - Paltem Technology Association - National Water Pipe Cleaning Technology Association

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Meiwa Pipeline Renewal System / M-PLUS

Meiwa Pipeline Renewal System / M-PLUS

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

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

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

  • Product news

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.

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■ Customized according to specifications and uses ■ Meiwa Kogyo's water pipe bridges meet all needs and scenarios!

  • Product news

We offer a comprehensive system that covers everything from on-site surveys to proposals, design, manufacturing, insulation, painting, construction, and after-sales service, providing a wide variety of options to meet all needs and scenarios. We manufacture according to application, 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. **Features of Water Pipe Bridges** - The main pipe can be selected from stainless steel pipes, steel pipes, polyethylene pipes, and others. - We have a diverse range of options including various coatings, FRP corrosion protection, and insulation work. - Our full-order system allows for customization according to specifications and applications. *For more details, please refer to the external link page or feel free to contact us.*

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■ Customized according to specifications and uses ■ Meiwa Kogyo's water pipe bridges meet all needs and scenarios!

  • Product news

We offer a comprehensive system that covers everything from on-site surveys to proposals, design, manufacturing, insulation, painting, construction, and after-sales service, providing a wide variety of options to meet all needs and scenarios. We manufacture according to 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. 【Features of Water Pipe Bridges】 ■ The main pipes can be selected from stainless steel pipes, steel pipes, polyethylene pipes, and others. ■ We offer a diverse range of options, including various coatings, FRP corrosion protection, and insulation work. ■ Our full-order system allows for customization according to specifications and applications. *For more details, please refer to the external link page or feel free to contact us.

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明和工業

明和工業

Water supply and drainage construction business

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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.

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