Société des mines de Syama (SOMISY)/ Syama Gold Resolute Mining Ltd. (80%) 1991 Mining Code 9/23/1989 191.4 1990 Extended in Apr-05 12/12/2006 amendment (1) Syama Mining Company (SOMISY) Malian government (20%) 2009 for 7 years Underground operations to be extended until 2017 Société d'exploitation de la mine d'or de Sadiola …
4. Analysis on the Present Situation of Vibrating Screen in China . The vibrating screen can be divided into resonance vibrating screen and inertia vibrating screen according to whether it is close to or far away from resonance frequency. At present, the inertia vibrating screen is widely used in the screening operation of the coal industry.