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Shengli Oil Field Freet Petroleum Steel Pipe CO.,LTD © 2008-2010 鲁ICP备06026895号 EMAIL：freetpipe@vip.163.com TEL：0546-8123066 FAX：0546-8123100 ADDRESS：Shengli Industrial Zone,Nan‘er Road, Dong ying City,Shandong Province, CHINA |
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