22日东北通、乌、西林、北台线螺跌50：沈阳HPB300高线4320三大4020三小4260新抚钢盘螺4440；哈市HPB300高线4300三大4000三小4150盘螺4400；大连HPB300高线4230三大4020三小4280盘螺4450
(关键字：线螺)