Certifications & Quality Documentation
Ruitus maintains rigorous quality standards backed by international certifications, material test certificates, and proprietary seal technologies.
ISO 9001:2015
Ruitus has achieved ISO 9001:2015 Quality Management System certification, demonstrating our commitment to consistent quality management and continuous improvement across all operations.
This certification covers the complete lifecycle of our rotary joint products — from raw material procurement and CNC machining to assembly, testing, and after-sales support.
What This Means for You
- Consistent product quality across every order
- Full traceability from raw materials to finished products
- Documented quality control at every production stage
- Continuous improvement driven by customer feedback
ISO 9001:2015 Quality Management System Certificate
Mill Test Certificates (MTC)
Every batch of raw materials used in Ruitus rotary joints comes with complete Mill Test Certificates, verifying chemical composition, mechanical properties, and compliance with international material standards.
MTC — Page 1
MTC — Page 2
MTC — Page 3
MTC — Page 4
National Patents
Ruitus holds 2 national patents registered with the China National Intellectual Property Administration, covering our most advanced seal technologies.
Patent 1: RTH Series Balanced Seal
External multi-spring balanced seal design for water and coolant rotary joints. Reduces friction by 40% compared to conventional joints, extending service life to 5–8 years.
Patented TechnologyPatent 2: RTQ Series High-Temperature Seal
Carbon graphite seal composition maintaining integrity at 350°C — a temperature range where most competitors require expensive exotic alloys. Dual-spherical design with integrated guide ring.
Patented TechnologyCE Marking & Standards
Ruitus products comply with international standards and can be supplied with test reports per the following standards upon request:
CE Marking
European Conformity
DIN Standards
German Industrial Norms
ANSI Standards
American National Standards
JIS Standards
Japanese Industrial Standards
Custom test reports: We can provide material test certificates, pressure test reports, and dimensional inspection reports per any of the above standards. Contact us with your specific requirements.
Quality Control at Every Stage
Incoming Inspection
All raw materials inspected against specifications before entering production.
In-Process Control
Critical dimensions checked at each CNC machining stage. Statistical process control ensures batch consistency.
100% Final Testing
Every unit pressure-tested and leak-checked. No sampling — 100% inspection before shipment.
Full Traceability
Serial numbers, test reports, and material certificates retained for every order. Audit-ready documentation.
Request Certificates & Test Reports
We can provide copies of our ISO certificate, material test reports, and custom inspection documentation for your records.