carbon steel ASTM A105 backing ring bleed ring test ring drip ring
L/C,T/T, Western Union
1000 pcs per month
30-35 work days
wooden case, wooden pallet
Flange, Disc, Foring, Shaft Sleeves
carbon steel ASTM A105 backing ring bleed ring test ring drip ring
150#, 300#, 400#, 600#, 900#, 1500#, 2500#
oil rusted, yellow
Nickel alloy/stainless steel/duplex stainless