... 3. free from agrichemicals 4. high altitude Chinese yunnan bitter tartary buckwheat tea 1. Moisture 14% max, Admixture 0.01% max. Broken ... buckwheat manufacturing.Main products: buckwheat ( black whole buckwheat), hulled buckwheat ( green buckwheat), roasted buckwheat kernel, roasted buckwheat hulls or husk, buckwheat flours,and buckwheat tea. Chinese yunnan top quality bitter tartary buckwheat ...