The 4th China International Import Expo (CIIE) ended Wednesday. During the expo, sustainable development became a hot topic. The recycling of water resources, the selection of environmental-friendly wood, and improvement of product durability were some of the hottest topics. Many exhibitors highlighted their goal of emission reduction. In this episode of Bizbeat, CGTN's Zheng Junfeng takes you to CIIE and shows exhibitors' fresh emission reduction ways.