-HEBEI SAILIN STEEL PIPE CO.,LTD

PDVSA---- Petrleos de Venezuela , S.A. is the Venezuelan state-owned oil and natural gas company. It is engaged in the exploration, production, refining, transportation, and sale of oil and natural gas. The company carries out EP activities...

GWDC Well Drilling Project Completed

GWDC Well Drilling Project Completed GWDC, hereby refers to CNPC Greatwall Drilling Company, which is affiliated to CNPC ( China National Petroleum Corporation) . CNPC is China s largest oil and gas producer and supplier, as well as one of...

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