About Dagao

Learn about Dagaohao, Feel the Power of Quality

Company Profile

Dalian Dagaohao Valve Co., Ltd. products cover nuclear industry, military, petrochemical, power, long-distance pipelines, LNG and many other fields and industries. The company has the ability to independently research, design and manufacture high and medium pressure steel valves and forgings.

It is the Vice Chairman Unit of China General Machinery Industry Association Valve Branch; National High-tech Enterprise; the first batch of national key "Little Giant" enterprises; National specialized and new "Little Giant" enterprise; National Postdoctoral Research Workstation; Liaoning Province Enterprise Technology R&D Center; the first batch of Liaoning Province Manufacturing Single Champion Product Enterprise.

In recent years, it has undertaken 10 National Science and Technology Major Special Projects, all of which have passed national acceptance, solving the autonomy and "bottleneck" problems of high-end valves for national key projects and major equipment.

The company has strong technical force, advanced production equipment, complete inspection means, and has sound organizational structure, management system and digital system platform.

国内资质

  • Class 1, 2, 3 valve design qualification license and manufacturing qualification license for civil nuclear pressure equipment approved by the National Nuclear Safety Administration
  • Nuclear Class 1, 2, 3 forged flange manufacturing license
  • China Special Equipment Pressure Pipe Component Manufacturing License
  • CNPC first-level network supply certificate

国际认证

  • ASME Nuclear "N" and "NPT" certifications
  • API (6A, 6D, 600, 602, 624) certificates
  • Lloyd's ISO 9001 quality certification
  • BP company certification
  • EU CE safety certificate for pressure equipment

Honors

Decades of valve expertise, honored by recognition

Vice Chairman Unit of China General Machinery Industry Association Valve Branch

National High-tech Enterprise

First Batch National Key "Little Giant" Enterprise

National Specialized and Sophisticated "Little Giant" Enterprise

National Postdoctoral Research Workstation

Liaoning Province Enterprise Technology R&D Center

First Batch Liaoning Manufacturing Single Champion Product Enterprise

About Us - Dalian DV Valve Co., Ltd.