export high quality SANS1123 carbon steel backing ring flanges
SABS 1123, Blind Flange, BLRF Flange, Class 600/8, 1000/8, 1600/8, 2500/8, 4000/8, A105, C22.8, S235JRG2, RSt37.2, Carbon Steel, DN15-DN1000.
Our company JINAN HYUPSHIN FLANGES CO., LTD is an expert manufacturer for all standards of flanges, special flanges and forging parts. The annual output is 1000 tons of flanges per month.
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