RIP Chinese Bromantane. Where are we sourcing raw powder now?

Looks like China just completely nuked the Bromantane supply. Every single lab I’ve hit up recently says the exact same thing: it’s strictly banned for sale and shipping now. The cheap pipeline is dead.

Since we can't rely on China anymore, who is your go-to plug for raw powder? I'm looking for direct B2B sources labs, NOT Western retail vendors charging a 10x markup for 1g.