China has been continuously improving its business environment to boost the vitality of foreign companies. In a recent memorandum of understanding, French pharmaceutical giant Sanofi signed an investment worth close to one billion euros (about $1.05 billion) with Beijing, the largest investment in the area in the past decade. CGTN's Cao Bing sat down with Sanofi Global Director and Chairman Frédéric Oudéa to find out what led to such a significant investment.