Property developer and investment group Keck Seng more than doubled its profits in the year end to December. Profits after tax and minorities rose from $56.1 million to $118.94 million. Property and investment company International Industries' net profits were hacked back to 63 per cent to $14.15 million for the year to March 31. Chemicals and metals trader Kee Shing returned to the black for the year to December 31, reporting an after-tax profit of $58.27 million compared with a $15.06 million loss in 1991. Yanion International Holdings recorded a 93.8 per cent slump in attributable profits for the year ended December 31, from $39.42 million in the previous year to $2.43 million.