n1. Standard: GB12459-90, GB12401-90, ASTM/ANSI B 16.9, DIN, JIS and ISO
n2. DN: from 1/2'' to 48'' (10mm~1200mm)
n3. Material: Carbon Steel, Stainless Steel, Alloy steel
n4. Usage: Brewage, beverage, food, papermaking, pharmacy, architecture, power electricity, petroleum, sewage treatment of chemical industry and so on.
n5. Package: Wooden box, Wooden pallet
n6. Quality: ISO:9001: ISO2000-Quality-Systerm has been passed