武汉方管价格或将继续维稳目前市场整体库量不大…武汉方管价格持稳，成交偏弱。早盘商家暂稳观望，但午后出货受限，部分代理商有暗降10元/吨出货现象，今日整体成交较昨日略有萎缩，本周二受期货拉涨，出货尚可，其余需求均 欠佳。据商家反馈，个别代理商为提高…

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.

　　方管保管时对场地和库房的要求有哪些？(1)保管方管的场地或仓库，应选择在清洁干净、排水通畅的地方，远离产生有害气体或粉尘的厂矿。在场地上要清除杂草及一切杂物，保持方管干净；(1) The site or warehouse under the custodian's control should be lo…