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"Carrying massive customer data, mobile ads (tailored to each and every customer) can capture demand better than traditional ads, increasing the media investment efficiency," said Leo Chiang, principal with consultancy PwC Strategy&.

"China always stresses that the financial sector should better serve the real economy, and now we have doubt about whether crypto-assets could support the real economic development or not," said Zhou, who agreed to strengthen policy coordination under the G20 framework.

"China has attached great importance to intellectual property rights protection and all the regulations are made according to international regulations," Liang said. "International companies can rest assured that their patents will be protected in China."

"China has signed 18 regional trade agreements involving 64 trading partners. But many companies have said they haven't made full use of the FTAs simply because they do not understand whether their goods are eligible for preferential tax rates," said Shang Yuying, director of the Shanghai Commerce Commission.

"China mainly imports agricultural and high-quality specialty products from ASEAN, such as health products, latex pillows, milk powder, convenience foods, brewed drinks, snacks and rice," Zhao said.