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            中文版
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            Adress:Langao Industrial park,Longkoucity,Shandong Province.
            P.C:265709
            Tel:0535-8635386、8635456、8635379
            Fax:0535-8635136
            Web site:http://www.myitisfor.com/
            E-mail:admin@hybioengineering.com

            Adress:Langao Industrial park,Longkoucity,Shandong Province. Tel:0535-8635386、8635456、8635379 Fax:0535-8635136 E-mail:admin@hybioengineering.com
            Yantai hengyuan bioengineering Co., Ltd
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