Mysteel数据：无锡不锈钢期现货基差对比2024-8-9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2024-8-514120144701402014020140652024-8-614070144701397013970139002024-8-71402014370139701397013885