How I get powdered vegetables in ottawa, ontario?

Hey, I’m looking for powdered vegetables. It can be ordered from the internet if the price is right – no more than $10 a kilo or so for carrots, say. I’m looking for broccoli, carrot, spinach, kale, sweet peppers, lima beans, tomatoes, green beans, celery, asparagus, and maybe squash, yam, collard greens, mustard greens. If you check out alibaba.com you can see they are certainly traded on an industrial scale regularly. Also, powdered fruits would be nice too, citrus, mango, peach, papaya….