ENGINEERING group GKN has seen sales rise 16% in the past six months based on strong global demand for its products and a solid performances from new acquisitions.Interims results for the six months ended June 30, 2012 show revenue rose to £3.46bn (2011: £2.98bn), while pre-tax profit rose 33% to £293m (2011: £224m).Nigel Stein, GKN chief executive, said: "GKN has continued to make good progress both in terms of financial performance and implementing our strategy to build a global market-leading business.&n......for the full story register now for free or login below...