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"But the flow of the electrons in a surface conductor with the new material is much more organized. It's like a highway with divided lanes going both directions."

"China has over 4,000 EPC (projects) abroad, with over 100 of them involving the power business," said Zhang Jinquan, head of ABB China's power grids division.

"But we can obviously see that trade cooperation yielded more fruit for ASEAN countries than China, as ASEAN exports various kinds of agricultural and tourism products to China while it imports only a few," he said.

"But such forms of the economy can be short-lived," Dou said. "The organizers need to strengthen the content and services in the museums to prolong their life."

"China does not want to see escalating Sino-US economic and trade friction, but is prepared for all possible scenarios," Gao said.