11002 Series(UL approved)
11002 Series(UL approved)

11002 Series(UL approved)

11051
11051

11051

11040(UL approved)
11040(UL approved)

11040(UL approved)

GOO1(CNS approved)
GOO1(CNS approved)

GOO1(CNS approved)

PDQOPD(UL approved)
PDQOPD(UL approved)

PDQOPD(UL approved)

SERVICE

  • Grand Hall is a total solution provider and supports consulting, designing, manufacturing, and delivering high-quality products to our customers. Our expertise in valve products can help you create, design, and deliver valves that meet business needs, drive loyalty, and create remarkable brand value.

PRODUCTIVITY

  • 10 million valves/year
  • 1. Italian-made three-directional forging machine
  • 2. 200-450 tons forging equipment.
  • 3. Italy & Taiwan - Special automatic machining machines
  • 4. Switzerland - Parts processing machines

 QUALITY INSPECTION

  • Burst Disc Pressure Testing
  • Leakage Testing
  • Linearity Testing 
  • Roughness Testing
  • Overhead Projector Coordinate Machine