Question: Linghai and Pingdu, are from which country?

Context paragraphs:
Pingdu: Pingdu () is the largest county-level city of Qingdao sub-provincial city, Shandong Province, China.

Pingdu mine: The Pingdu mine is one of the largest graphite mines in China and in the world.  The mine is located in the east of the country in Shandong.  The mine has estimated reserves of 100 million tonnes of ore 10% graphite.

Linghai: Linghai () is a county-level city in the west of Liaoning province, Northeast China.  It was called Jinxian or Jin County () until 1993, when it was upgraded to a city and renamed Linghai.  Lying on the west (right) bank of the Daling River (大凌河), which flows into the Liaodong Bay near the city, it is under the administration of the prefecture-level city of Jinzhou, the seat of which is 21 km .

Supporting paragraphs: Linghai Pingdu
Answer: China