Editor's Note: CGTN launches a new series called BizFocus, where anchors and reporters explore the most vibrant business sectors and events in China. Through in-depth interviews with industry experts and on-the-ground coverage, we bring you the latest developments and trends in various business sectors.

China recently announced plans to renovate over 100,000 kilometers of underground pipelines annually. And in recent years, many areas have accelerated renovations of underground pipe networks. But such an extensive and important task presents a huge organizational challenge. In this episode of BizFocus, our reporter Wang Tianyu traveled to Chongqing to find out how the work is carried out and what benefits renovation brings to businesses.