Complex sentence: Within 11 years Burt, Boulton was exporting to North America and acquired a sawmill in Quebec's Eastern Townships--the forerunner of Domtar's Windsor fine papers complex.
Split into simpler sentences: Within 11 years Burt, Boulton was exporting to North America. More importantly, it acquired a sawmill in Quebec's Eastern Townships--the forerunner of Domtar's Windsor fine papers complex.