ATHENS, Sept. 20 (Xinhua) -- Li Xi, a senior official of the Communist Party of China (CPC), concluded a four-day official goodwill visit to Greece on Saturday, reaffirming China's commitment to deepening mutually beneficial cooperation. During his meeting with the Greek president, Li conveyed warm greetings from Chinese President Xi Jinping to Tassoulas, saying that, under the strategic guidance of President Xi and the Greek leader, the China-Greece comprehensive strategic partnership has made significant progress. China is willing to work with Greece to uphold mutual respect and trust, strengthen strategic communication, deepen exchanges and mutual learning, and promote win-win cooperation. He noted that President Xi proposed the Global Development Initiative at the Shanghai Cooperation Organization Tianjin Summit. While meeting with Hatzidakis, Li said that China is willing to enhance political mutual trust with Greece, deepen practical cooperation, and strengthen people-to-people exchanges.