1. Norwegian Ministry of the Environment (1994) Oslo Roundtable on Sustainable Production and Consumption.
2. Carry out low-carbon product certification to lead sustainable consumption;Dingding;Environmental Protection,2010
3. Ministry of Finance, National Development and Reform Commission officially launched the “energy saving products that benefit the project”. http://www.china.com.cn/policy/txt/2009-05/22/content_17818238.htm.
4. Should pay attention to vacuity energy efficiency label. http://informationtimes.dayoo.com/html/2010-07/02/content_1014313.htm.