➀ China has over 3,500 smartphone-related enterprises, with Guangdong, Shandong, and Hunan leading in numbers; ➁ The industry shows rapid growth with smartphone production exceeding 560 million units in the first half of 2024; ➂ The article highlights the importance of Shenzhen and Dongguan as major smartphone production hubs, with OPPO and vivo's parent company BBK leading the way; ➃ The article also discusses the shift of Chinese electronics manufacturing to Vietnam, with a focus on semiconductor industry development.