The clay used in manufacturing is collected from rivers banks in Southern Vietnam. After to be shaped, dried, and burnt in very high fire, products will be extremely hard and durable. The color depend on the location that the pot is placed in the kiln during firing. The last step is products selection, defective products will be left out and the other is perfect product. it takes a lot of time to make a finished product and requires potters meticulosity to have the best products for customers.