Quality Certification

Strict management, quality assurance

Rigorous
Management,
Quality
Assurance.

"Quality" isn't just a slogan; it's a commitment built on a comprehensive suite of equipment and rigorous processes. From raw material intake, casting and processing, powder coating, assembly and testing, to final shipment, we meticulously control every step, ensuring we provide our customers with the most stable and reliable products.

Valve manufacturing process

Precision in Every Step

STEP 01Design and development
  • Customized design
  • Industry-university collaboration
  • Flow field analysis
  • Stress analysis
  • Product optimization and improvement

STEP 02Valve casting
  • Self-operated casting production line
  • High-frequency melting furnace
  • CE testing technology

STEP 03Material inspection
  • Universal testing machine - tensile and yield tests
  • Blaine hardness tester - hardness test
  • Micrometallographic analysis - spheroidization analysis
  • Spectrometer testing - chemical analysis

STEP 04Machining
  • Various processing machines and tools
  • regular maintenance system
  • annual calibration and overhaul
  • quality control personnel conduct on-site measurements twice daily

STEP 05Powder coating
  • Powder coating plant
  • Film thickness measurement
  • Powder coating testing every six months

STEP 06Product Assembly
  • Parts assembly and testing
  • Full-scale equipment assembly capabilities
  • Large equipment assembly area

STEP 07Stress testing
  • The nation's largest dynamic hydraulic pressure simulation test site, with a head of up to 100 meters and a flow rate of
    400,000 cm2.
  • The nation's largest static hydraulic pressure test machine, with a test pressure of up to 40 kgf/cm² and a diameter of
    DN3200 mm.

STEP 08Finished product shipment
  • Arrange large vehicles for shipment.
  • Products are transported by a professional logistics fleet.