2018 brought a record revenue for Norwegian ballast water treatment systems supplier Optimarin. But already less than a month into 2019, the company says that this year will see a doubling of the record revenue.

Optimarin has yet to publish its annual report for 2018, but according to a press release from the company, it last year sold more than 100 ballast water treatment systems, pushing revenue to a record high, though Optimarin does not set specific figure on the revenue.