L80 Oil Seamless Pipe
Standard：API SPEC 5CT 5L Application:Casing and tubing for use in oil wells Common Material：J55、K55、N80、L80、P110、 B、X42、X52、X60、X65、X70etc
Standard：API SPEC 5CT 5L Application:Casing and tubing for use in oil wells Common Material：J55、K55、N80、L80、P110、 B、X42、X52、X60、X65、X70etc
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恒钢集团 HENG STEEL GROUP
青岛恒佳钢管有限公司 QINGDAO HENGJIA STEEL PIPE CO., LTD
地址：青岛市敦化路138号西王大厦2801
ADD:2801,WEST BUILDING ,138NO,DUNHUA RD., QINGDAO,CHINA
电话/TEL： 0086-0532-85650417
传真/FAX：0086-0532-85650417
邮箱/EMAIL：hengjia@hengjiasteel.com
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