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"China and the Philippines have reached consensus on the joint development of oil and gas resources in the South China Sea and have established a cooperation mechanism for relevant consultations," Zhao said at a daily news briefing.

"China has demonstrated the endurance of its economy through the trade dispute," Zhao said, adding that disagreements in trade, technology and finance in the past have shown that countries can have trouble enduring such pressure if they don't have their own strategic advantages.

"CNAF is keen to set up a cross-sector partnership network that will eventually grow into an ecosystem connecting local governments, airports and general aviation companies," Zhou said.

"China has strong demand to boost intelligent industries and Tianjin can cater to the demand by helping move industries from Beijing," he said.

"CNOOC has been active in increasing exploration and production activities this year despite low commodity prices," said Li.