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2015-05 ZHL was awarded “large taxpayer” in Baiyun district.
2015-08 Floodlight Division was set up.
2015-10 ZHL became Stock corporation Limited.
2014-12 ZHL was awarded Top 500 factories of Guangdong province.
2014-12 ZHL was awarded Famous brand of Guangdong province.
2013-03 ZHL was awarded “The Top Hundred Enterprises.”
2013-06 Northeast operation center and North China operation center were set up.
2013-06 ZHL invested RMB 1 billion for LED lighting project and established a wholly-owned subsidiary in Yushan Jiangxi Province. The subsidiary covers an area of 170,000 square meters and went into operation on October 15th.
2013-07 ZHL obtained over 100 product patents. 
2013-08 ZHL set up a professional manufacturing base of LED heat dissipation suite in Guangdong Qingyuan.
2013-08 ZHL obtained GMC-Global manufacturer certificate in August 2013. 
2012-03 Hunan operation center was set up.
2012-08 Circulation Business Division, commercial lighting Business Division and Northwest office were set up.
2012-11 Various types of products passed Guangdong Province Benchmarking products certification.
2012-12 Home lighting Business Division was set up.
2011-02 ZHL was awarded “Guangzhou Private Science and Technology Enterprise” .
2011-03 ZHL was awarded “Guangdong Province Enterprise of Observing Contract and Valuing Credit”
2011-04 ZHL factory passed ISO9001:2008 Standard Quality management system certification.
2011-11 ZHL was awarded “High-Tech Enterprise Qualification”.
2010-02 LED encapsulation business division was set up.
2010-11 CHC advertised for “Zhongguang” brand indoor LED illumination products.
2010-12 International sales department was set up.
2009-03 CPIC underwrote insurance for “Zhongguang” brand indoor LED illumination products.
2008-03 Guangzhou Zhongheng Optoelectronics Technology Co.,Ltd was founded.