History of development 

 
2004
Dazhengs Manufacturing Co., Ltd was established on May 2004.
2005
Company established R&D department on September, and project achieve success on Beijing Fangshan district.
2006
Dazhengs awarded Heibei province high-tech industries “Outstanding Project Award”  .
2007
Production of solar street light over 100,000 sets, covered most of the Fangshan district of Beijing.
2008
Has been assessed as “Baoding National High-tech Zone LED lighting applications engineering technology research center”.
Obtain Provincial Science and Technology Department, the title of High-tech enterprises.
2009
Eligible for the 12th International Hi-tech fair “Excellent product certificate”
The success of the European market, and Spain signed a letter of intent to export solar street light.
2010
Awarded “Ten city Ten Thousand Light ” main implementation company in Baoding city.
2011
Bear the “Twelfth Five Year National Technology Support Program” 
2012
The institute of Science and Technology issues anti tract designated as the “Institute of  Semiconductors LED Grow application Baoding experimental base”.
2013
Romania- Alfred Reed City signed LED products center and street reconstruction intent.
2014
Complete the transformation of large business center LED lamps. i.e.Xinguang hotels, Baobai Group and Wanbo plaza in Baoding.
2015
Complete the Lottle Group, Paris Baguette with led lights in China comprehensive transformation plan.
2016
Awarded the “Science and technology enterprises in Hebei Province.” 
2017
Led lights sells to more than 20 countries and regions.

History    
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