Hélder Costa, the Angolan international, has completed his transfer from Estoril to Yunnan Yukun in China. The transfer fee remains undisclosed. Costa has signed a two-year contract with Yunnan Yukun, who are the reigning champions of China's II Liga and have secured promotion to the Chinese Super League. Having arrived in China on Tuesday, Costa has undergone the necessary medical examinations and formalities to officially join his new team. In his farewell message, Costa conveyed his gratitude to Estoril for the opportunity to represent them and mentioned his intention to continue supporting the team in future endeavors.