?Thank you to the Suzhou Industrial Park New National University Research Institute (hereinafter referred to as the New National University Research Institute) for using our company's contact angle measuring instrument for scientific research projects. The New National University Research Institute is a research institute established and independently operated by foreign universities in China, which further deepens the cooperation between China and Singapore in the field of science and education. The development of the National University of Singapore is highly in line with the need for Suzhou Industrial Park to further gather overseas research resources, and the two sides cooperate closely to achieve mutual benefit and win-win results. The New National University Su Research Institute was established on November 15, 2010, in China*Under the joint witness of Comrades and Singapore Prime Minister Lee Hsien Loong, a research institution was established in collaboration between Singapore University and Suzhou Industrial Park.