A two-pronged attack from growing deflationary pressure in the Japanese economy and deceleration in the US economy saw group net profit at apparel and plastic film maker Unitika Ltd shrink 30.8 per cent to 790 million yen in the half year ended 30 September. Consolidated pre-tax profit dropped 24.3 per cent to 2.57 billion yen, with sales down 6.8 per cent to 125.50 billion yen.