鋼管，無(wú)縫鋼管銷售公司-本周，華北地區(qū)無(wú)縫鋼管主流價(jià)格弱勢(shì)持穩(wěn)http://www.xbncp.com/blog/post/1225.htmlRainbowSoft Studio Z-Blog 1.8 Arwen Build 81206zh-CNSat, 26 Jun 2010 10:04:59 +0800