Top accounting firm Deloitte China released a Technology Fast 20 list for Chengdu High-Tech Zone on August 29, announcing its selection of the top 20 fastest-growing high-tech companies in the high-tech zone.

The top 20 firms saw a huge 620 percent average increase in business volume in the past three years. The top 5 saw a jump of 1,530 percent on average. Tap4Fun, a leading mobile game company, tops the list with a growth rate of 4,638 percent.

The ranking, which began in 2012, is a sub-project of the Deloitte Technology Fast 50 China selection. Over three years, a total of 51 companies have been selected. The winners are qualified to participate in the selection of the Deloitte Technology Fast 50 China program.

Last year, eight companies from Chengdu High-tech Zone made the Technology Fast 50 China list. Two companies made the Fast 100 Asia-Pacific list.

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