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Company Overview

Decades of Excellence in Water Infrastructure Solutions

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Established in 1968, YUNG YU is a pioneer in Taiwan’s flexible expansion joint industry with over 55 years of manufacturing experience. Headquartered in Tainan, Taiwan, the company operates a 5,000 m² facility producing high-quality water supply equipment, valves, and patented pipe joints.

With multiple international patents and award-winning innovations, YUNG YU has supported major water infrastructure projects in Taiwan and serves clients across Southeast Asia, North America, and other global markets.

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Hidden Joints That Keep Water Networks Flowing

From mountain sources to city infrastructure, this film follows the unseen joints that protect water delivery, support critical utilities, and keep daily life connected.

Flexible & Force-Balanced Joints for Safer Pipelines

This film shows how flexible and force-balanced joints absorb movement, reduce water hammer and axial thrust, and protect pipelines in reservoirs, bridges, fault zones, and dense urban spaces.

Flexible Expansion Joint

Seismic-Resistant Design
Built with durable ductile iron. Designed to handle land shifts and quakes, protecting vital pipelines.

Globally Recognized
Award-winning and certified, used in multiple countries.

Highly Customizable
Each product can be customized to meet diverse applications, standards, and regulations in different countries.

永裕-可撓管

Dynamic Force Balanced Pipe

Innovative & Niche
YUNG YU’s patented design creates a strong market edge in the niche field of flexible expansion joints.

Urban-Ready
Eliminates the need for thrust blocks, lowering costs and saving space in dense infrastructure projects.

Built-In Pressure Balance
Its air chamber design mitigates thrust and water hammer, offering a safer, all-in-one pipeline solution.

永裕-3

Project References

YUNG YU products have been applied in major infrastructure projects worldwide, demonstrating both technical expertise and trusted quality.

Key Projects
● Hong Kong International Airport – Three Runway System and Terminal
● Macau Fourth Bridge
● Hong Kong–Zhuhai–Macao Bridge
● Tung Chung Area 99 & 100, Hong Kong
● Taiwan High Speed Rail
● Tainan Science Park
● Hsinchu Science and Industrial Park
● Kaohsiung Water Supply Plant – 3,200mm Flexible Expansion Joint

永裕-實績1
永裕-3200mm可撓管

Get the Perfect Match

Start your 1-on-1 meetings with Yung Yu to explore new business opportunities. 

Trusted Certifications for Quality Assurance

US Patent
FM Certificate
ISO Certificate2024-2025
IENA 93

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