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we mainly supply seamless carbon steel pipe ,casing or tubing ,line pipes ,threader and so on .we have been awarded the certificate of authority to use offical monogram on complying with API5CT ,API5L issued by American Petroleum Institute. outer diameter is from 57mm to 120mm and the wall thickness is from 2mm to 12mm. if u have such needs ,pls do not hesitate to contact me.
GB8162,GB8163,GB3087,GB5310,GB6479,GB9948,API5CT,API5L,ASTM A106,ASTM A53
about ur inquiry,i can supply u all of them .but only one problem:the finishing is cold drawn.
we supply our oil tubing to shengli oil field,sichuan oil field,changqing oil field,yanchang oil field.and also we have the report from the lab and the scene of the SINOPEC.
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