Mysteel数据：无锡不锈钢期现货基差对比2024-7-29日期无锡地区不锈钢现货价格（304/2B2.0卷价）上期所SS主力合约宏旺投资福建甬金江苏德龙北港新材2024-7-2314120143201402014020140352024-7-2414120143201402014020140652024-7-25140701432013970139701