Forward-looking: While the US and China are still clashing over silicon supremacy and economic sanctions against the Middle Kingdom's technology industry, South Korea has won some important concessions through Washington diplomacy. The Asian giant will continue to do business and make chips in China, at least for now. Samsung and SK Hynix, two of South Korea's most prominent technology players, have been excluded from the US sanctions imposed against Beijing's technology prowess. The two companies are officially allowed to keep making chips in China and to bring their advanced chipmaking equipment into the neighboring country. Created after the merging of…