Find Chinese Cardboard Sleeve Supplier

I’m sourcing a reliable Chinese manufacturer that can supply solid board already formed into a CD-style sleeve. The board must fall between 1 mm and 3 mm thick and, for the first run, I’ll need under one metric ton... (Budget: $750 - $1500 USD, Jobs: Import/Export, Logistics, Manufacturing, Product Sourcing, Simplified Chinese Translator, Sourcing, Supplier Sourcing, Supplier Verification)