CHINA'S national oil and gas companies boosted investment significantly in the first half this year, but still faced criticism from the government over a lack of effort in improving national energy security. The upstream watchdog the Ministry of Natural Resources (MNR) said that in the first six months this year, China's exploration investment increased 39.6% on the year to 27 billion yuan ($3.85 billion), while production investment registered even stronger growth of 49.4% to 83.3 billion yuan.
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