Constantia Flexibles significantly improved sales and earnings in the first half of 2016 compared to the previous year as part of its global growth strategy.   Sales increased by 8.7% to slightly more than €1 billion in the first six months. Afripack and Pemara, newly acquired corporate groups in growth markets, contributed €64.3 million to sales.   Adjusted for exchange rate effects and the two acquisitions, organic sales growth was 2.9% year-on-year. This growth was achieved in all markets...