Leading the Future of Valve Technology
GYLDT has been pioneering innovative valve solutions for over three decades, serving industrial leaders across the globe with unmatched quality and reliability.
GYLDT CO., LIMITED
Founed in 1989, as one of China's earliest adopters of duckbill check valve technology, we've built our reputation on innovation, quality, and unwavering commitment to customer success. Our R&D patents and three decades of expertise position us as the trusted partner for critical valve applications worldwide.
Our Philosophy
Since 1989, GYLDT has been guided by these principles that define who we are and how we operate.
Vision
Trusted Connections, Supported Progress.
Mission
Perfect every joint, honor every trust.
Values
People Oriented: People come first. Business follows.
Openness: Open to every need, honest about every limit.
Excellence: Excellence means being better than the best yesterday.
Diligence: Diligence is getting every detail right, every time.
Innovation: Innovate to lead, not just to keep up.
Sustainability: Choose materials and methods that honor the Earth we share.
Innovation at Our Core
As an early adopter of duckbill check valve technology in China, we've earned multiple R&D patents and established ourselves as the industry benchmark for quality and innovation.
Manufacturing Process
Our standardized manufacturing process ensures consistent quality and efficient production across all product lines
Raw Material Preparation
EPDM, Neoprene, Nitrile, NR rubber selection and quality inspection
Rubber Refining
Proprietary formula processing for superior elastomer performance
Sheet Making
Precision sheet formation with controlled thickness and consistency
Winding
Precise winding process for expansion joint formation
Vulcanization
Heat treatment process for rubber cross-linking and strengthening
Final Assembly
Flange attachment and final product assembly with quality control
Quality Control
Comprehensive testing and inspection per international standards
Packaging & Shipping
Secure packaging and worldwide shipping to 46+ countries
Product Excellence Across Industries
Suitable for applications ranging from wastewater management to marine protection, our products provide reliable performance in the most demanding environments.
Duckbill Check Valves
Industry-leading backflow prevention with patented technology
Rubber Expansion Joints
Superior shock absorption with proprietary rubber formulation
Flap Gate Valves
Lightweight HDPE construction with exceptional corrosion resistance
Dismantling Joints
Flexible pipe connections for easy installation and maintenance
Metal Expansion Joint
Precision-engineered for high-pressure industrial applications
Learn More About Us
Patent Certificates
Multiple R&D Patents
Rubber Test Equipment
Advanced Quality Control
DEKRA Inspection
International Certification
Hydraulic Gauge Calibration
Precision Testing
Manufacturing Excellence
Our state-of-the-art manufacturing facility features 5 production lines with standardized processes, a high degree of mechanization, and extensive mold reserves for rapid customization.
Get Your Custom Valve Quote Today
Don't let expansion joints and valves challenges slow down your project. Our engineering team is standing by to provide you with expert solutions, competitive pricing, and fast delivery. Send us your specifications now and discover why industry leaders choose GYLDT for their most critical applications.
176th Yong'an Road, Xicun Town
Gongyi City, Henan Province, China
+86 18703845698
Info@focalvalve.com
Request Your Free Quote
Tell us your requirements and get personalized valve solutions with competitive pricing
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Trusted Worldwide
Certified Excellence
Our commitment to quality is validated by international certifications and decades of proven performance in critical applications worldwide.
ISO9001-2000
Quality Management System
CE Marking
European Conformity
EAC Certificate
Eurasian Conformity
R&D Patents
Innovation Protection