According to "high-tech enterprise management approach" (Guokefahuo  No. 172), "high-tech enterprise management guidelines" (Guokefahuo  No. 362), "high-tech enterprise was renamed Management Regulations (Trial ) "(NSC fire Zi  No. 123) of the relevant provisions of the enterprise reporting, management of high-tech enterprises in Guangdong Province that the leading group office of organizations identified and submitted to the national high-tech enterprise management leading group office record approved to , 3M material technology (Guangzhou) Co., Ltd., 1496 companies were identified as Guangdong Province in 2014 the first batch of high-tech enterprises (listed in Annex 1), Guangzhou Pearl River piano Caesar Fort Co., Ltd., eight companies were identified as Guangdong Province the second batch of high-tech enterprises in 2014 (see list in Annex 2). Two or more batches of high-tech enterprises enjoy preferential income tax policy for the period January 1, 2014 - December 31, 2016.