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According to CMAI, the global polymer consumption in 2009 reached 176 million tons, of which polyethylene accounted for about 38% of total consumption. In 2009, the global PE demand was close to 67 million tons, and it is expected to grow at an average annual rate of more than 5% in the next five years. By 2014, the demand will exceed 87 million tons. In 2009, the demand for high-density polyethylene (HDPE) accounted for about 17% of the total polymer demand, or about 30 million tons, while the demand for linear low-density polyethylene (LLDPE) and low-density polyethylene (LDPE) were respectively About 11% and 10%.