55 Years of Excellence
Focused on Valve & Pipe Fittings
Taiwan’s First Flexible Joint Manufacturer
Breaking Barriers with Innovative Design
Recognized with Global Innovation Honors
55 Years of Excellence
Company
About Us Overview

Certifications

ISO 9001
Yung Yu Special Joint ISO 9001 quality management system certification
FM 1610
Yung Yu Special Joint FM 1610 fire and safety standard certification
Taiwan's National Invention Exhibition- Golden Brain Award 
Yung Yu Special Joint awarded Taiwan National Invention Exhibition Gold Brain Award
 Nuremberg International Invention Fair IENA 92- Gold Medal 
Yung Yu Special Joint won Gold Medal at IENA 92 Nuremberg International Invention Exhibition, Germany
 Nuremberg International Invention Fair IENA 93- Silver Medal 
Yung Yu Special Joint won Silver Medal at IENA 93 Nuremberg International Invention Exhibition, Germany
HK WSD
Yung Yu Special Joint compliant with Hong Kong Water Supplies Department (WSD) standards
CNS Standard 
Yung Yu Special Joint compliant with Taiwan CNS national standards
JIS Standard 
Yung Yu Special Joint compliant with Japanese JIS standards
AWWA Standard 
Yung Yu Special Joint compliant with AWWA waterworks fittings standards
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