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Gu Shuzhong, Vice-Derector-General of the Research Institute of Resources and Environment Policies, led a survey group to Chengdu, Sichuan province, from May 18 to 20, to study the development of sylvite resources. They visited the Office of Land and Resources in Sichuan, Chengdu University of Technology, and the Sichuan Mingxin Research Institute of Sylvite to discuss the exploitation of the mineral.