Hi. Good morning, everyone. I hope you are great. I'm Kathy Wang, the CEO of NaaS. It's my pleasure and such honor to share NaaS' Fourth Quarter and the Full Year of 2022 Earnings Result. Discuss our recent development with all of you. Firstly, I'd like to discuss with you the long-term trend of energy transformation as well the potential for new energy development and the content of the global consensus on carbon neutrality. Elon Musk recently announced Part 3 of Tesla's master plan as you may be aware. In a nutshell, this is a plan for fully replaced traditional energy with the new one.
The traditional energy face issues of environmental pollution and low efficiency, while new energy offer clear advantage in terms of being clean, environmentally friendly, safe and efficient. The energy transition is inevitable global trend. So developing clean energy, reducing carbon emissions and building a green plant have become the most significant area of conscious among countries throughout the world, including China, the United States, Europe and the Middle East.
EV sales in China reached 3.9 million units in 2022, accounting for 30% of total global sales. This year, that number is impacted to reach 9 million. According to CIC, the number of ICE cars in China will be peaking around 2025. While e-results will continue to grow, and the number of EV surpassed ICE cars by 2036. The total number of cars in China, is predicted to exceed 424 million by 2050, with the number of EVs over 328 million. At the same time, the total investment in the supporting EV-charging industry will exceed RMB 30 trillion.
In 2022, China use to the global leader in terms of the existing number of EV cars, EV incremental growth and EV export volume. 2022 was also an important year for NAV. As we complete our netback lifting and strengthened our leadership position and charging service network. In 2022, our Chinese charging network expanded rapidly with a year-over-year rise in total charging volume of 115%, accounting for 20% of China's total public charging volume. At the end of 2022, we had connected 515,000 chargers in 50,000 charging stations across over 330 cities. We take advantage of this [ drone ] in re-charging network.
We expand our one-stop service to energy outside operation, providing end-to-end one-stop solutions covering the whole cycle of charging station construction, operation and upgrading. Serving enterprise throughout the new unit value chain. Looking ahead, as the leading player in the world's largest EV market, we aim to see the historical opportunities of energy transformation by leveraging our unique business model and the industry position and commit to working together with partners to promote core initial reduction in transportation and have to the goal of carbon PP and neutrality. Now I will turn the call over to Alex our President and CFO, for a closer look at our operating and financial performance.