Bulgarian machine engineering company Hydraulic Elements and Systems (HES) said on Wednesday that it generated sales revenue of 5.4 million levs ($3.1 million/2.8 million euro) in October, in line with its forecast made last month.HES reported accumulated sales of 53.1 million levs in January-October, up by an annual 1.65%, and expects to generate a further 5.4 million levs in November, the company said in a bourse filing.If the company meets its November sales expectations, its annual sales growth will slow down to 0.38% in January-November.The company's gross profit amounted to some 4.5 million levs in January-October.As at 11:05 CET on Wednesday, HES shares traded at 4.40 levs, unchanged from their previous closing price on the Bulgarian Stock Exchange.HES is part of blue-chip industrial group Stara Planina Hold.