Yuhong Holding Group Co., LTD
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ASTM B564 UNS N08020 Alloy Weld Neck Flange ASME B16.5 Alloy 20 WNRF Flange2025-11-26 18:53:46 |
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Flange di acciaio inossidabile del nichel 200 UNS N02200 di ASTM B5642020-12-01 11:39:25 |