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2007年初,山东省东营市华骜集团惊奇地发现,被企业多年来一直当作包袱的废弃物——棉籽油下脚料一下子成了抢手的宝贝。
At the beginning of 2007, Huaying Group of Dongying City, Shandong Province, was surprised to find that the waste that has been used as a burden by enterprises for many years - cottonseed oil scraps suddenly became a sought-after baby.