BYD Company Limited, a Chinese enterprise based in Shenzhen since its establishment in 1995, specializes in the global research, development, production, and distribution of a wide array of products. Operating both domestically within China and across international markets, its diverse operations are structured into three main divisions. The company boasts an extensive automotive portfolio, encompassing internal combustion engine, hybrid, and fully electric passenger vehicles. Beyond individual cars, BYD manufactures a broad spectrum of commercial vehicles, including buses, coaches, taxis, and specialized transport for sectors like logistics, construction, sanitation, warehousing, ports, airports, and mining operations. Furthermore, BYD is a key producer of various battery technologies, such as lithium-ion, nickel, and iron batteries, primarily powering mobile phones, electric tools, and other portable electronic devices. It also develops and sells photovoltaic (solar) products, including solar battery arrays. Another significant division focuses on mobile handset components, providing items like device housings and electronic parts, alongside comprehensive assembly services. The company also extends its offerings to include medical protection products, automotive molds, and components, in addition to vehicle leasing and after-sales support. Beyond these, BYD is involved in urban rail transportation, supplying equipment and services for rail transit systems.