In the vast tropical rain forest of Brazil, silver-white transmission wires shuttle overhead on the towering iron tower, which is the UHV transmission project of beautiful mountains and rivers in Brazil. As the first UHV transmission project independently invested and operated by American enterprises overseas, the second phase of UHV transmission project of Meilishan, Brazil, with a total length of more than 2,500 kilometers, has realized the integration of UHV transmission technology, electrical equipment, general contracting and operation management in China, and has become an important practice for China to promote the "Belt and Road" construction in Brazil and even Latin America.