广州方管价格货延续小幅下行为主成交水平还算正…广州市场方管价格继续小幅下调，全天成交情况与昨日相比小幅收 缩。期货今日先强后弱小幅震荡，原材料昌黎普碳方坯现含税出厂3430元/吨午后降10元。现货市场广州今日方管报价整体跌幅略有扩大，午后期货的回调影…

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.

　　重庆镀锌方管市场价格向下调整厂家以出货为主重庆镀锌方管市场价格向下调整。市场方面，尽管原料端价格有所回暖，然当地方管厂家操作情绪整体也不强，降价出货为主，现主流规格售价在4710-4870元/吨；由于近期货震荡不稳， 气候影响市场情绪又不是很好，下游接货…