... current situation and identify shortcomings in the materials management at X20 Joint Stock Company to identify measures to improve the materials management - Measures to search for new materials, ... Department into Joint Stock Company On January st , 2009, the company Page 31 Nguyen Trung Hieu – Class MBA.B01 officially operated as a joint stock company under the new name X20 Joint Stock Company ... Preservation and materials input and output In the production process, require to provide adequate materials, the right quantity and quality according to the design to ensure continuous production, ...