Reply: According to the notice No. 2527 / TB-BKHCN dated September 6, 2012 of the Ministry of Science and Technology. In the case of imported machinery and equipment of state-owned enterprises and economic groups, they must obtain written opinions from the Ministry of Science and Technology. If used machinery and equipment do not belong to the above case: Imported consignment has a contract signed before August 9, 2013 and used machinery and equipment purchased from export processing zones or household equipment Public donations shall comply with current law provisions. Imported consignments have a purchase and sale contract signed after August 9, 2013, the importation complies with the current legal regulations, the enterprise has made a written commitment to used machinery and equipment to ensure the love. safety requirements meet environmental protection standards. The minimum energy labeling and energy efficiency is implemented in accordance with Decision No. 51/2011 / QD-TTg dated 12 September 2011, Decision No. 03/2013 / QD-TTg dated January 14, 2013, Decision No. 78/2013 / QD-TTg dated December 25, 2013 of the Government regulating the list of facilities and equipment to be labeled with energy to apply the maximum energy efficiency level and implementation schedule.