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cangzhou,China
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Welding Astm 20# Flange Pipe Carbon Steel 1/2"-80" Dn15-Dn2000 Class 3000
Forged Pn16 Carbon Steel Slip On Flange 300#
A105 Forged Slip On Pn16 Carbon Steel 300# Flange
Welding Astm A105 Carbon Steel Slip On Flange 1/2"-80" Dn15-Dn2000 Class 3000