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David Hogg and Jaclyn Corin were students at Marjory Stoneman Douglas High School in Parkland, where 14 students and three staff members were shot and killed on Feb 14, 2018.

Dalian Petrochemical Co, a subsidiary of CNPC, has delivered more than 600 tons of polypropylene to Guangdong to ensure production of medical gear, while its subsidiary Hohhot Petrochemical Co in North China's Inner Mongolia autonomous region, a major producer of polypropylene in the country, has also been ramping up polypropylene production under strict standards.

DOHA - Qatari Emir Sheikh Tamim bin Hamad Al Thani accepted prime minister's resignation and appointed a new one, media reported Tuesday.

Dai Hong, former official of the Standardization Administration of China, delivers a speech at the conference in Beijing on June 19-20. [Photo provided to chinadaily.com.cn]

Data from the center show Sunday's quake was the strongest to hit the area within 200 kilometers of its epicenter in the past five years. The area witnessed 17 quakes above magnitude 3 during the period.