According to public data showed that in 2011, the industrial production of solar thermal vacuum tubes 8 million cigarettes, the solar energy water heater of vacuum tubes and flat 57.6 million square meters, a 17.6% increase over 2010, total quantities for 193.6 million square meters, the growth rate of 15.2%. The rate of growth of 30% compared with previous years, 2011 years has become the solar-thermal make use of the industry history of the slowest growth a year.
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