YANTAI HUANENG STEELPIPE CO.,LTD
 
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Copyright © 2012 YANTAI HUANENG STEELPIPE CO.,LTD. All Rights Reserved
Company address: No.5, DongGuan Street,Yantai Development Zone. China
Tel: 86-535-6820176 Fax:86-535-6653023 e-mail:houjikuan@naver.com