About Qinghai
"Qinghai (Chinese: 青海; pinyin: Ch'ing-Hai; pronounced [tɕʰíŋxàɪ]) is a province located in the northwest of China. Qinghai is also known as Tsinghai, formerly known in English as Kokonor. It is known as one of the largest province-level administrative divisions of China by area.
Qinghai ranks fourth-largest in size, but has the third-smallest population. Qinghai's economy is amongst the smallest in all of China. Its nominal GDP for 2011 was only 163.4 billion RMB (US$25.9 billion). Qinghai’s economy mainly rely on its heavy industry includes iron and steel production in its capital city of Xining."