The three firms are considered part of the U.S.-dominated electronic design automation (EDA) market, which encompasses software, hardware, and essential services for designing chips and semiconductor devices.
Synopsys CEO Sassine Ghazi said in a conference call with analysts in May that the company saw a slowdown in China during its fiscal second quarter, which ended on April 30. Customers in China made up around 10% of Synopsys' $1.6 billion in quarterly revenue.
China has also introduced policies to prop up its domestic chip-design software makers and develop independent chip design know-how, Synopsys said.