As an industry leader, Jinghangyu utilizes stringent quality assurance:

• overseen by technical experts and engineers
• Iso 9001 certified management system
• Comprehensive product testing and inspection
  
• Automated production improves consistency
• Certified for environmental compliance
  

From incoming materials to finished valves, quality is verified through:

• Chemical analysis
• Mechanical testing
• Metallographic examination
• Dimensional inspection
• Surface defect detection
  
• Hydrostatic testing
• Flow rate testing

This integrated approach ensures optimal valve performance and longevity.