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China has been advancing comprehensive cooperation with other countries to realize energy security in an open environment. Under the principle of equality and mutual benefit, China is opening its door wider to the world. The country promotes green and sustainable energy development under the Belt and Road Initiative, and endeavors to improve energy infrastructure connectivity. An active participant in global energy governance, China has been increasing energy cooperation and exchanges with other countries, and facilitating international trade and investment in the energy sector. The country has also joined the international community in building a new model of energy cooperation, maintaining energy market stability, and safeguarding common energy security.
China currently has about 250 million people aged over 60. Before the seniors apply for elderly care services, they need to be evaluated in various aspects, including cognitive abilities, emotional behavior, and activities of daily living, to receive specific types of nursing care, according to Jiang.
China has been the world leader in applications for invention patents for seven consecutive years. Chinese mainland held about 1.36 million such patents by the end of 2017, according to the State Intellectual Property Office.
China has become the world's largest lab-grown diamond producing country with its production accounting for 90 percent of the world's total, according to a report by industry analysis website ifanr.com.
China has 500 million pigs, accounting for about half of the global swine population, according to the United Nations Food and Agriculture Organization (FAO).
来源：资阳报