Professional Stainless Steel Flange Manufacturer

ASME • DIN • JIS   Standards | ISO 9001 Certified | Global Supply Chain

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About Songhai Flange

Established in 1994, Songhai Flange specializes in manufacturing high-quality stainless steel flanges for global industrial applications. With state-of-the-art CNC machining centers and stringent quality control processes, we deliver products that meet ASME, DIN, and JIS international standards.

Tons Production Capacity
Global Clients
High Pressure weld neck flange

High Pressure weld neck flange

Butt Welding Flange 3

Butt Welding Flange 3

Slip-On Flanges

Slip-On Flanges

  • Design & EngineeringDesign & Engineering
  • Our engineers work with your specifications to create optimal flange designs
  • Design & EngineeringPrecision Manufacturing
  • CNC machining and quality materials for high-performance flanges
  • Design & EngineeringQuality Assurance
  • Rigorous testing and inspection before shipment

Successful Custom Project

Pipeline transportation has become a key method for modern energy delivery, with long-distance pipelines serving as t...

New Chapter in Global Energy Transportation: Technical Challenges of Pipeline Valves

Case Studies Oil & Gas Industry

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Successful Custom Project

Developed high-pressure flanges for offshore oil platform meeting API 6A standards with temperature rating of -46°C t...

Global Energy Solutions

Oil & Gas Industry

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Global Certifications

Quality Control Process

Material Inspection

Precision Machining

Heat Treatment

NDT Testing

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