United College received several delegations from mainland enterprise and universities in December 2023, fostering communication, exchanging views and visiting College campus and facilities.

Representatives from Sunwah Global Youth Innovation Center, led by Mr Michael Stone, Center Director, visited to the College on 6 December 2023. They were warmly received by Professor Martin C S Wong, Associate Head and Dean of Students, and Dr Tony M H Chan, College Secretary.

Seven colleagues from the Seventh College of The Chinese University of Hong Kong, Shenzhen visited United College on 8 December 2023. Professor Maria M Y Hong, Associate Master of the Seventh College, and her colleagues were received by Professor Lee Hung Kay, Associate Head and Dean of General Education, Dr Tony M H Chan, College Secretary, and Ms Zoe K W Chan, College Development Officer. Professor Lee introduced United College in the meeting and discussed on Service-Learning Programme of the General Education between the two Colleges.

A group of representatives from Zhixing College of Beijing Normal University at Zhuhai, led by Professor Zhao Yu, Associate Master of Zhixing College, visited to the College on 13 December 2023. They were warmly welcomed by Professor Stephen H S Wong, College Head, Professor Tang Sze Wing, Associate Head, and Dr Tony M H Chan, College Secretary. They also visited to Tien Chi Microcomputer Laboratory and Creative Media Studio to know more about college facilities.