<unk> <unk> <unk> <unk> <unk>  HDPE has high tensile strength.<unk> HDPE has high tensile strength. ️<unk>️<unk>️<unk>️<unk>️<unk>️ <unk> <unk> <unk> <unk> In 2007, the global HDPE consumption reached a volume of more than 30 million tons.  Question: How many millions of tons did the global HDPE consumption reach in 2007?
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