Most generic companies are now global and are facing the same challenges in most countries. There are many potential suppliers for the most popular drugs. and QC is a significant market in Canada. Canada remains a top 10 market in the world. 

The QC government, and others that will surely follow, will have to ensure profits are high enough to maintain a competitive market. Not all generic drugs will be tendered and so profits will remain high on other drugs sold by a manufacturer, and (for now) sold in other provinces.