China. According to the official website of Shenzhen Industrial and Commercial Bureau, we learned that Bar Elf e-cigarette is a trademark brand applied for registration by Shenzhen Liandong Elf Technology Co., Ltd. The company is registered in my country, and its Bar Elf e-cigarette is Chinese. Shenzhen Linkedong Elf Technology Co., Ltd. was established in 2020 and is located in Shenzhen City, Guangdong Province. It is an enterprise mainly engaged in software and information technology services.