As companies like SpaceX and Blue Origin make headlines for sending non-astronauts into space on pricey private tours, a Chinese state firm is expected to unveil its own space tourism programme this week, joining other domestic enterprises as they attempt to make headway in the rapidly emerging – and US-dominated – market.China Aerospace Science and Technology Corp (CASC), the primary contractor for the country's space programme, will unveil details of its inaugural tour at the China Hi-tech...