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Product:ASTM alloy steel flanges A335 P11
Standard:ASTM JIS DIN EN BS GB GOST
Certification:ISO9001-2008
Size:1/2''-72''

Product:ASTM alloy steel flanges A335 P11
Standard:ASTM JIS DIN EN BS GB GOST
Certification:ISO9001-2008
Size:1/2''-72''



