CONSTRUCTION firm Tak Wing Investment (Holdings) has reported a net profit of $40.05 million for last year, compared with $39.45 million in 1992. Turnover rose 8.4 per cent to $1.16 billion. Earnings were 20.6 cents a share. A final dividend of six cents a share was declared, bringing the payout for the year to nine cents. Chairman Chung Chun-keung did not give reasons for the low rise in net profit. He said the company's building and engineering division last year secured nine contracts with a combined value of $639.7 million, in spite of a generally more difficult environment for the construction industry. Early this year, the company was awarded five more contracts amounting to $990.8 million, which brought the total value of its construction contracts to more than $3.32 billion.