Certifications & Patents
Quality Assured, Innovation Proven
Our commitment to excellence is backed by international certifications, 17+ national patents, and prestigious industry honors.
Management System Certifications
Our company strictly adheres to international management standards across quality, environment, and occupational health. These certifications demonstrate our systematic approach to excellence.
Quality Management System (ISO 9001:2015)
Environmental Management System (ISO 14001:2015)
Occupational Health & Safety Management System (ISO 45001:2018)
Drinking Water Hygiene Safety Product Sanitary Permit
National Patent Certificates
Our extensive patent portfolio demonstrates three decades of continuous innovation in pipe repair technology. Each patent represents a unique solution to real-world pipeline challenges.
Extra-Large Pipe Network Multi-Functional Repair Clamp
Patent No: ZL 2009 2 0209674.7
Granted: 2010-06-02
Multi-Functional Large-Head Repair Clamp
Patent No: ZL 2013 2 0014509.2
Granted: 2013-07-10
Large Pipe Network Emergency Repair Joint
Patent No: ZL 2007 2 0074871.3
Granted: 2008-07-09
Multi-Functional Sleeve Emergency Repair Joint
Patent No: ZL 2007 2 0074439.4
Granted: 2008-10-22
45-Degree Angle Multi-Functional Repair Clamp
Patent No: ZL 2013 2 0014581.5
Granted: 2013-07-10
Multi-Functional Quick-Open Tee Repair Clamp
Patent No: ZL 2013 2 0014242.7
Granted: 2013-07-10
Multi-Functional Special-Shaped Tee Repair Clamp
Patent No: ZL 2013 2 0014469.1
Granted: 2013-07-10
Pipeline Hafu-Type Anti-Vibration Expansion Joint
Patent No: ZL 2013 2 0014400.9
Granted: 2013-07-10
Valve Cover Anti-Vibration Expansion Joint
Patent No: ZL 2013 2 0014459.8
Granted: 2013-07-10
45-Degree Angle Multi-Functional Repair Clamp (2nd Gen)
Patent No: ZL 2019 2 1429143.9
Granted: 2020-06-05
90-Degree Angle Multi-Functional Repair Clamp
Patent No: ZL 2019 2 1429345.3
Granted: 2020-06-05
Multi-Functional Repair Clamp
Patent No: ZL 2019 2 1429142.4
Granted: 2020-06-19
Multi-Functional Quick-Open Flange Tee
Patent No: ZL 2019 2 1429208.X
Granted: 2020-06-05
Valve Cover Anti-Vibration Expansion Joint (2nd Gen)
Patent No: ZL 2019 2 1429085.X
Granted: 2020-06-19
Tee-Type Multi-Functional Repair Clamp
Patent No: ZL 2019 2 1429083.0
Granted: 2020-06-19
New Pipe Anti-Vibration Expansion Joint
Patent No: ZL 2019 2 1429342.X
Granted: 2020-06-05
Special-Shaped Extra-Large Pipe Network Repair Clamp
Patent No: ZL 2019 2 1429084.5
Granted: 2020-06-19
Industry Honors & Awards
National recognition for outstanding product quality, brand reputation, and commitment to consumer trust.
China Excellent Green Environmental Product
China Premium Quality Product
China Famous Brand
First Batch 3.15 Quality Trusted Key Brand Enterprise
Shanghai High-Tech Achievement Conversion Project
National-Level Testing & Inspection
Our products have been continuously tested and certified by national-level supervision, inspection and testing authorities from 2004 to 2011, receiving qualified report certificates that verify the safety, reliability, and performance of every product we manufacture.