Key facts
- China is conducting an in-depth investigation of Turkey's largest rare earth deposit.
- Designers of China's J-20 stealth jet are planning to incorporate advanced radar into the aircraft's wing.
- A decrease in visits by US officials to China has sparked concern.
China is investigating Turkey's largest rare earth deposit, according to reports from last weekend. In a separate development, designers of China's J-20 stealth jet are planning to integrate powerful radar into the aircraft's wing. The decline in US visits to China has also raised concerns about the relationship between the two nations.