北京方管市场价格较上周五小幅上涨价格以稳为主…今天北京方管市场价格较上周五小幅上涨。期螺今日冲高回落，呈现先张后跌的走势，最高冲至3563点，尾盘勉强收红；不过今日北京的表现再次与期螺脱了钩，一场席卷整个北方的大风降温天 气袭击了包含北京在内的华北…

镀锌方管的国标与非国标的区别——：就是管壁的实际厚度非标的都比国标的壁薄一些的。主要规格不是很标准，举个例子：镀锌方管的国标与非国标的区别（1）非标的都比国标的壁薄一些的（2）非标的定尺长度也没有达到国标；（3）非标的比国标便宜

The difference between the national standard and the national standard of galvanized square pipe is that the actual thickness of the pipe wall is thinner than that of the national standard. The main specifications are not very standard. For example, the difference between the national standard and the national standard for galvanized square tubes (1) the non-standard is thinner than the national standard (2) the non-standard length is not up to the national standard; (3) the non-standard is cheaper than the national standard.

　　天津方管价格小幅上涨厂家拿货积极性增强天津方管市场价格小幅上涨。今日早盘，期货市场低开高走，现货市场观望情绪依旧，早盘报价多以稳为主。随着盘中上涨走势愈发明显，本地方管方管厂家纷纷价格上调10-20元，且 据市场了解，由于价格反弹上涨刺激，方管厂…