On March 30, Wang Haibei, director of Metallurgical Research and Design Institute of Beijing mining and Metallurgy Technology Group Co., Ltd., and Professor Zou Xiaoping and their party visited our Institute for exchange, focusing on the investigation of pressure leaching equipment and application in our institute. The two sides preliminarily discussed the future cooperation of pressure leaching technology and national key R & D projects. Beijing mining and Metallurgy Technology Group Co., Ltd. is a central enterprise under the management of the state owned assets supervision and Administration Commission of the State Council. It is one of the first batch of innovative enterprises in China. It is the largest comprehensive research and design institution in China, which mainly focuses on mining and metallurgy science and engineering technology.