Nvidia CEO visits BeijingState energy firms turn to renewables abroadChina's tech giants spend big on digital 'red envelope war' to gain more mobile usersChina's railway system sees 159% surge in pre4th CICPE scheduled from April 13Study links pesticide to breathing problems in children living near farmsChina continues to push deleveraging despite initial progressXi Sends Congratulatory Letter to ChinaNvidia CEO visits BeijingChina's 5G phone shipments top 167 mln in 2020: report