Vietnam is one of the best sources for high quality Cassia. Price of Vietnam Cassia is fairly high in comparison with other country sources. That is cause of high quality, high oil content of Vietnam Cassia Cassia is grown in some regions of Vietnam, mainly in Yen Bai, Thanh Hoa and Quang Nam Provinces where the soil and the weather are very favourable for growing high quality Cassia. The Tramy Cinnamon is the most famous in the world with the best quality and highest value. Chanhkhang Cinnamon Trading is one of the Tramy Cinnamon Supplier and Trader in Vietnam. 1. Round cut cassia cinnamon: Thickness: upper 3mm, Oil content: 10 to 50%, Moisture: 14%, Length upper 45cm, Unit price: 6.00 to 48.00 USD per kg 2. Tube cassia cinnamon: Thickness: 2.8 mm, Oil content: 20 to 30%, Moisture: 14%, Length upper 45cm, Unit price: 3.00 to 5.50 USD per kg 3. Broken cassia cinnamon: Thickness upper 2.2 mm, Oil content : 10 to 40%, Moisture: 14%, Length upper 15cm Unit price per kg: 0.80 USD to 6.00 USD