An investigation is hereby initiated pursuant to Article 13(3) of Regulation (EC) No 1225/2009, 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 35g/m2, excluding fibreglass discs, consigned from Taiwan and Thailand, whether declared as originating in Taiwan and Thailand or not, currently falling within CN codes ex 7019 51 00 and ex 7019 59 00 (TARIC codes 7019 51 00 12, 7019 51 00 13, 7019 59 00 12 and 7019 59 00 13), are circumventing the measures imposed by Council Implementing Regulation (EU) No 791/2011.