Light-conduction cement
It is a testament to the meaning of 'waiting for patience without revealing his talents'. If the kanji is solved, it means 'to hide the light of the blade in the sheath and to empower in the dark'. Originally, it means that Yubi was a junior supporter in the Three Kingdoms era, and hid his talent and steadily strengthened his powers, but it is often cited as an expression of China's foreign policy in the past in the era of Deng Xiaoping. Deng Xiaoping has decided to use foreign policy as a basis for reducing unnecessary friction and developing the national power internally, which he called 'the Dengkang Cement Association'. This policy was a very realistic methodology at the time of China, which did not have the international status to oppose the Western powers at the time, and it played an important role in the rise of China through today's high economic growth in the 1990s. Since then, China has decided to move the peace process into a new foreign policy direction in order to play its role in the international society.