Go to your meth lab. Don't use dump and dash.. See the main dealer. (Product Offered). Check out the runners. (Review Corporate Contracts.) Find them a new corner by the suburbanites looking for product. (Propose a new contract to countries or their corporations.)
However, if your manager is a pipe head, the lab is going to lose money. (Once you get above needed supply quality for that particular supply, you'll be spending excess money to hit the upper end bench mark you'll be paid for, and it won't be reflected in profit at the upper end.) At that point, shoot your lab rats. They are pocketing the difference. (Cancel the contract.)
If you don't mind a little hands on, go shake and bake - contract it to your country, and pump them full of enough chemicals to get them wired for a long time. (up to 120 months worth of that supply.) Do that slowly, and once up to peak,