The China International Import Expo (CIIE) opens on Tuesday. The second edition of the trade show is attracting exhibitors from Zambia to New Zealand and South Africa to Switzerland, all looking to meet, greet and explore potential business opportunities with some 500,000 buyers in China. Why is there so much buzz around the trade show? What is behind China's opening-up to imports? And how are trade ties between the world's largest developing country and continent evolving? CGTN's Nadim Diab turns to experts and entrepreneurs for answers.