The Caijiaying mine is one of the largest lead and zinc mines in China.
[1] The mine is located in Zhangjiakou, Hebei province.
[2] The mine has reserves amounting to 33.8 million tonnes of ore grading 2.73% lead and 4.26% zinc thus resulting 0.92 million tonnes of lead and 1.44 million tonnes of zinc.
[1]