As the world's largest EV market and producer, China is facing scrutiny from Europe, where traditional automakers are losing ground. The European Commission says that's because Chinese brands enjoy market-distorting subsidies and has launched an investigation. But Beijing says that probe itself is disrupting the global auto industry and hurting economic relations. At the first China International Supply Chain Expo, CGTN reporter Huang Fei explored the intricate components of the EV supply chain to unravel the forces that propel or undermine our transition to a greener future.