潍坊方管价格或将以盘整观望为主厂家心态面多谨…潍坊方管价格暂稳。近日潍坊地区受阴雨天气的影响，市场成交偏弱，今日潍坊方管市场价格趋于稳定状态，贸易商方面主要以出货为主。据方管厂家方面反映，目前市场需求偏弱。目前8月份限产建议稿已出，由之前的限产…

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.

　　北京方管或仍保持平稳运行格局厂家出货不理想本周北京方管价格坚挺运行。价格方面：现北京:14-25mm敬业方管3590，天钢3590，14-25mm锰板3780，市场部分资源缺货，价格相对坚挺。据悉，由于天钢停产，敬业承接外贸订单，本周市场到货较少，市场20mm资源缺货，加之…