Most is by far in South Korea, I am surprised there is any in China.
https://www.samsung.com/semiconductor/about-us/manufacturing-centers/
https://www.reuters.com/article/us-samsung-elec-smartphones-china/samsung-to-shut-mobile-phone-plant-in-chinas-tianjin-idUSKBN1OB0YP
Cultural and racial animosity is VERY much part of real life - Keeping, and/or losing face is a very big part of most Asian culture. Chinese - South Korean diplomatic relations BEGAN in 1992 - that is less than 30 years ago!
China–South Korea relations
Diplomatic relations between the People's Republic of China (PRC) and the Republic of Korea (South Korea) were formally established in August 1992. Before then, the PRC recognized only the Democratic People's Republic of Korea (North Korea) while South Korea in turn recognized only the Republic of China (Taiwan). South Korea was the last Asian country to establish relations with the People's Republic of China. In recent years, China and South Korea have endeavored to boost their strategic and coo...
I assume you have not visited the Far East very much….as far as the people - China is not run by ‘the people’ if you have not heard…it is run by the Chinese Communist Party (CCP). If they don’t want Samsung LH351D’s in Chinese manufactured flashlights - I’d be willing to bet that you would be ‘discouraged’ from putting Samsung LH351D LEDs in anything. Unless that was approved by the party either directly or indirectly. The tail does not wag the dog.
Command and control: China’s Communist Party extends reach into foreign...
Party cells within joint-venture companies are demanding a say in decision-making, while restrictions on Internet use are growing.