... 10-4000mm PN2.5-404,Type: Flat, Slip on, Blind, Welding Neck, Threaded, Lapped, Orifice, Figure 8 Blind, Swivel and etc ... and hot dip galvanize7,Package: seaworthy plywooden case, wooden pallet, metal structure Application: use for wind power generation,nuclear power generation, Shipbuilding ...