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YINCHUAN, Aug. 15 (Xinhua) -- The China-Arab States Tour Operators Conference 2019 will be held from Sept. 4 to 7 in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, local authorities said Thursday.

These experiment proposals, including one applied by a foreign user and five from Hong Kong and Macao users, mainly involve magnetic materials, quantum materials, lithium battery materials, shale, catalytic materials, high-strength steel and high-performance alloys, said Prof. Zhang Junrong of the Institute of High Energy Physics (IHEP) under the Chinese Academy of Sciences (CAS).

The UAE stands ready to expand investment in, energy supply for and trade volume with China, and boost finance, aviation, and cultural and people-to-people exchanges with China, said the crown prince, noting that the UAE will support science and technology cooperation with Chinese companies.

Zhang, who is also a member of the Political Bureau of the Communist Party of China Central Committee, said that the traditional friendship between China and Serbia is profound.

BEIJING, July 31 (Xinhua) -- Chinese President Xi Jinping and visiting Colombian President Ivan Duque Marquez on Wednesday pledged to promote bilateral relations to new heights.