according to DIN, ANSI, BS, JIS standard. Also according to customer design.
Carbon steel forged flanges , stainless steel forged flanges, carbon steel butt-welding pipe fittings, stainless steel butt-welding pipe fittings, brass/bronze pipe fittings
carbon & stainless steel forged flanges, carbon & stainless steel butt-welding pipe fittings, brass/bronze pipe fittings
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