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Ritterbusch

Ritterbusch

美国伊利诺斯州的里特布斯克联合公司（Ritterbusch）总裁里特布斯克说，“就油价来说，这些国家不足以改变价格取向。沙特 …

"It's going to be very difficult for anybody that's not vertically integrated to hang in there, " Ritterbusch said .