Leading mobile phone maker Motorola has cumulatively invested 3.6 billion U.S. dollars in China since its entry into the country in 1987, a company source said.

The accumulative sales volume of Motorola (China) Electronics Ltd established in Tianjin in 1992, has reached 58.1 billion U.S. dollars,according to Ruey Bin Kao, president of Motorola China.

Motorola China's export value totals 41.7 billion U.S dollars.

Motorola set up its office in Beijing in 1987. Currently, its cell phone output in China accounts for 34 percent of the company's total worldwide.