The 9th International Conference on Research in Science and Technology (RSTconf), March 20-22, 2020 in Berlin, Germany aims to bring together academia, researchers and scholars to exchange information and share experiences and research results about all aspects of specialized and interdisciplinary fields. This event provides an opportunity for all to network, share ideas and present their research to a worldwide community. Discussion on the latest innovations, trends and practical concerns and challenges faced in these fields are also encouraged. With this conference, we encourage the community of multinational researchers to share common experiences and discussions.