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Chinese and American participants gather for a group photo in front of a bronze statue of Helen Foster Snow in Cedar City, Utah on Tuesday. Snow ventured to Yan’an, China in war-torn 1937 and interviewed top Chinese Communist leaders. [Zhang Yu’an / China Daily]

Chinese banks have suspended the opening of new positions for trading products that track US crude oil futures as the historic plunge of the May contract to below zero has left many retail investors staring at huge potential losses.

Chinese companies were heavily represented at the 2019 North American International Toy Fair in New York, the largest annual toy show in the Western Hemisphere, which concluded on Feb 19 after four days. It attracted more than 1,000 exhibitors from 30 countries and regions along with some 7,000 registered buyers representing almost 3,000 retail outlets.

Chinese artificial intelligence pioneer iFytek Co said on Tuesday that the ban will not have a significant impact on its daily operations as most of its core technologies are self-developed.

Chinese patent holders may skip patent review procedures and directly make application to Cambodia's Ministry of Industry and Handicrafts. Once approved, they will obtain patent rights, and their patents will be valid and protected for 20 years, similar as in China.