L&K Engineering Suzhou (SHA:603929) forecasted first-half attributable net profit of between 456.0 million yuan and 525.0 million yuan, compared with 160.9 million yuan the previous year.
The 183% to 226% jump is attributed to a lucrative Singapore project, robust project collections and a stronger U.S. dollar, according to a Thursday filing with the Shanghai bourse.
Shares of the engineering services provider declined 8% in recent trade.