FIFTEEN YEARS ago, a drilling team led by Chen Han-bao opened up the first high-yield oil well in Renqiu, Hebei province, marking the birth of the Huabei Oilfield. At that time, the oil workers lived...
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FIFTEEN YEARS ago, a drilling team led by Chen Han-bao opened up the first high-yield oil well in Renqiu, Hebei province, marking the birth of the Huabei Oilfield. At that time, the oil workers lived...