There is a place where used mobile phones are replaced in Ledu District, Haidong City, Qinghai Province. Located in Dongguan Village, Nianbo Town, Ledu District, Haidong City, Qinghai Province. Mainly recycling second-hand desktop computers, mainframes and replacing second-hand mobile phones.
Qinghai province is located in the western part of the motherland and the northeast of the Qinghai-Tibet Plateau, the roof of the world. It is named after Qinghai Lake, the largest inland saltwater lake in China.