鋼管，無縫鋼管銷售公司-出口退稅上調(diào) 管材出口退稅率為9%-13%http://xbncp.com/blog/post/598.htmlRainbowSoft Studio Z-Blog 1.8 Arwen Build 81206zh-CNFri, 12 Jun 2009 08:26:03 +0800