LONDON (Dow Jones)--Sausage casing maker Devro PLC (DVO.LN) Friday said it had a stronger finish to its first half than expected, as sales gradually improved over the period, while pricing also remained strong. The firm--which in May said it had made a strong start to 2010--said since May it has seen continued progress in sales, pricing, volume growth and manufacturing efficiency. While it didn't provide specific figures, it said these factors have driven a stronger-than-anticipated finish to its first half, ending June 30. -By Hannah Benjamin, Dow Jones Newswires; 44-20-7842-9298; hannah.benjamin@dowjones.com (END) Dow Jones Newswires June 25, 2010 02:40 ET (06:40 GMT)