An investigation is hereby initiated pursuant to Article 13(3) of the basic Regulation, in order to determine if imports into the Union of open mesh fabrics of glass fibres, of a cell size of more than 1,8 mm both in length and in width and weighing more than 35 g/m², excluding fibreglass discs, consigned from Malaysia, whether declared as originating in Malaysia or not, currently falling within CN codes ex 7019 51 00 and ex 7019 59 00 (TARIC codes 7019 51 00 11 and 7019 59 00 11), are circumventing the measures imposed by Implementing Regulation (EU) No 791/2011.