Local beverage producers in China have started to claw back a larger share of the domestic market from drink giants Coca-Cola and Pepsi.Press reports from Asia claim that in the first half of the year, the top 10 Chinese producers, led by Robust, Jianlibao and Wahaa, accounted for 45% of the country's beverage production, compared with 22% in 1997.The report continued to say that the total production by the top 10 companies amounted to 3.4 million tonnes in 6 months, a year-on-year growth of 46%.