United States has been erecting barriers to limit Chinese investment American companies, re-examining the kinds of technology that can be exported to China and restricting China's in building America's next-generation telecommunications networks, while also discouraging other countries..…

And tensions crackled when China detained American Navy flight crew following the collision of U.S spy plane and Chinese in 2001... ... Andrew Nathan, China at Columbia University, said Chinese would be willing to buy more American products and put America's trade..…