The single-storey, purpose-built open-span factory doubles Escea's floor space to 3000sq m, not including offices, and has the potential to allow for four-fold manufacturing expansion in the future if required.
Escea marketing manager Mark Cowden said exports, which accounted for 30% of sales, were growing especially well in Australia, with good in-roads made into Canada and the United Kingdom.
However, the United States was still proving a "big challenge" for Escea.
"Domestically [70% of output] we're always looking to increase our share," Mr Cowden said.
Fifteen Australian distributors and dealers had arrived in Dunedin this week, and dealers and suppliers from around New Zealand were among the 200-strong guest list.
Escea began manufacturing in 2005, at its former Devon St premises, and employs 44 people.
This financial year the company is expecting modest growth on last year's turnover of almost $10 million.
