"If an agreement could be reached, it should be balanced, equal and mutually beneficial, and China's core concerns must be properly addressed," Gao said.
More than 60 domestic and overseas carriers including China Southern Airlines, China Eastern Airlines and Beijing Capital Airlines plan to operate out of Beijing Daxing International Airport.
Small- and medium-sized enterprises (SMEs), which account for 99 percent of Chinese companies, hold 65 percent of innovation patents and 75 percent of enterprise innovations.