Zangge Mining Company Limited produces and sells potassium chloride under the Blue Sky brand in China. It also produces industrial salt, magnesium chloride, and battery-grade lithium carbonate. The company was formerly known as Zangge Holding Company Limited and changed its name to Zangge Mining Company Limited in December 2021. Zangge Mining Company Limited was founded in 1996 and is based in Golmud, China.