PDQOPD(UL approved)
PDQOPD(UL approved)

PDQOPD(UL approved)

GOO1(CNS approved)
GOO1(CNS approved)

GOO1(CNS approved)

11040(UL approved)
11040(UL approved)

11040(UL approved)

11051
11051

11051

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

11002 Series(UL approved)

12040
12040

12040

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