According to the list of 2018 Guangdong High Tech Companies co-released by the Department of Science and Technology, the Finance Department of Guangdong Province, the Guangdong Provincial Tax Service and the State Taxation Administration, a total of 11,431 companies across Guangdong, through evaluation, are identified as high tech companies. Among them, a total of 939 Zhongshan companies made the list.

The list is divided into two batches, 212 high tech companies in the first batch including Tatung Compress (Zhongshan) Co Ltd and 727 companies in the second batch including Antex Chemical (Zhongshan) Limited.

As of now, there are accumulatively 2,378 companies in Zhongshan that have been identified as high tech companies.

It is reported that these high tech companies can enjoy preferential income tax rate during the period of January 1, 2018 and December 31, 2020.