The Indians manufacture cordite at their factory in Aruvankadu in my former home state of Tamilnadu. This is the factory website.

I know that they have been exporting Cordite for some time but that is for use in mining. I am not sure if that could be used for small arms. If someone wants to import it in quantity I guess they would be happy to export it, but I am not sure why anyone would want it especially with its reputation for corrosion . . .