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Huawei Technologies Co. Ltd. is a Chinese multinational networking and telecommunications equipment and services company headquartered in Shenzhen, Guangdong. It is the largest telecommunications equipment manufacturer in the world, having overtaken Ericsson in 2012. Huawei was founded in 1987 by Ren Zhengfei, a former engineer in the People's Liberation Army.
Apple Inc. is an American multinational technology company headquartered in Cupertino, California, that designs, develops, and sells consumer electronics, computer software, and online services. Its hardware products include the iPhone smartphone, the iPad tablet computer, the Mac personal computer, the iPod portable media player, the Apple Watch smartwatch, and the Apple TV digital media player.
Vestel Group of Companies composed of 24 companies operating in electronics, household appliances mobile technologies, LED Ligthing, defense -12 located in Turkey and 12 abroad- proves the powerful presence of Zorlu Holding in electronics and household appliances.
Lenovo Group Ltd. is a Chinese multinational technology company with headquarters in Beijing, China, and Morrisville, North Carolina, United States. It designs, develops, manufactures and sells personal computers, tablet computers, smartphones, workstations, servers, electronic storage devices, IT management software, and smart televisions
BYD Co Ltd is a Chinese manufacturer of automobiles and rechargeable batteries with its corporate headquarters in Shenzhen. It has two major subsidiaries, BYD Automobile and BYD Electronic.Hailed for its innovations, BYD has grown to become a major manufacturer of rechargeable batteries, most notably mobile phone batteries.
Dà-Jiāng Innovations Science and Technology Co., Ltd (Chinese: 大疆创新科技有限公司; doing business as DJI) is a Chinese technology company headquartered in Shenzhen, Guangdong. It manufactures unmanned aerial vehicles (UAV), also known as drones, for aerial photography and videography, gimbals, flight platforms, cameras, propulsion systems, camera stabilizers, and flight controllers.
Vivo is a Chinese multinational technology company that designs, develops, and manufactures smartphones, smartphone accessories, software, and online services. It was founded in 2009 in Dongguan, Guangdong as a sub-brand of BBK Electronics. The brand focuses on providing a high quality audio experience for users by utilising Hi-Fi chips in its smartphones.

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