本周唐山方管先跌后涨厂家冬储意愿较低本周唐山方管先跌后涨，截止到今日，唐山方管主流钢厂报3570元/吨，较上周五降10。本周方管受钢坯强劲以及期螺持红支撑，厂家挺价意愿 明显，商家多逢高出货，然而下游需求持续萎缩，成交氛围略显一般。方管方面…

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.

　　无锡镀锌方管市场价格持稳厂家已经陆续放假本周无锡镀锌方管市场价格持稳，市场基本不再出货。期货方面，周初弱势震荡，周中出现一次上涨后仍处于震荡状态，近两日有较明显的上涨趋势。上游原料价格现阶段持稳。据了解上周以及本周初，方管厂家已经陆续放假。价…