May 3 to June 6: Xi Jinping will pay state visits to Trinidad and Tobago, Costa Rica and Mexico. June 7-8: Xi Jinping will meet US President Barack Obama on June 7 and 8 at the Annenberg Estate in Rancho Mirage, California
Geng Jiasheng, 54, a national master technician in the manufacturing industry, is busy working on improvements for a new removable environmental protection toilet, a project he has been devoted to since last year.