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China National Petroleum Corp, the nation's largest oil and gas producer by annual output, expects its net profit to more than double for the first six months of this year, rising by between 13.5 billion yuan (.98 billion) and 15.5 billion yuan compared with the first half of 2017, up 107 percent to 122 percent from the same period a year ago.

China National Aviation Fuel Group Ltd, in a media release issued on Tuesday, described its investment in Tibet as part of its social responsibility, and said the company's efforts had contributed to people's livelihoods, border security and emergency response in the thinly populated area.

China UnionPay, a Chinese bank card organization, is ramping up efforts to expand its business in overseas markets to support the Belt and Road Initiative or BRI, in addition to facilitating fast growing personnel exchanges between China and the rest of the world.

China Petroleum and Chemical Corp, the world's largest refiner, which is also known as Sinopec Corp, is foraying into auto sales, based on its nationwide fuel station network.

China and the Republic of Korea are opening a fast-track lane for key business, logistics, production, technical and service personnel with an urgent need to travel between the two countries, Foreign Ministry spokesman Geng Shuang said on Thursday.