Consumer audio product manufacturer Ngai Lik Industrial Holdings posted a 37.8 per cent rise in attributable profit to $66.5 million for the six months to September 30, compared with $48.24 million in the same period last year. An interim dividend of one cent per share, down from 1.5 cents, was declared. Turnover rose to $1.24 billion from $965.24 million. Basic earnings per share were 8.4 cents, up from 6.1 cents.