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China Great Wall Drilling Company signed a US$5 million contract with Tunis Joint Venture Petroleum Company in late Apri......
At the end of 2001, Great Wall Drilling Company Ltd started to execute the drilling service contract in Tabnak gas field......
Great Wall Drilling Company (GWDC) has become more and more ambitious and aggressive on the international drilling marke......
In early 2003, an exciting new reached Great Wall Drilling Company (GWDC). After strict evaluation procedure, PDVSA, the......
<正>The Great Wall Drilling Company (GWDC) of CNPC is a professional petroleum engineering and technology service compan......
<正>Greatwall Drilling Company (GWDC), an integrated petroleum engineering services company, mainly provides general con......
<正>In the past 20 years,the world's major oil companies have embarked on merger and restructuring successively and ......
