The kettle is covered with classic crab pattern. The rugged pattern is vivid, detailed, primitive and elegant. At first, the intended pattern has to be either printed or drawn on a piece of paper. The paper is then attached on the surface of clay mold and it is pressed with metal rod according to the motif. The handle and lid of this kettle are made of cooper and the lid fitted with silver hollow engraving knob. Representing it's exquisite workmanship.
The interior of this kettle is charcoal fired at 800-1000 degree. To form a layer of high density oxide membrane. This oxide membrane has the effect of anti-oxidation and slow down the rusting process of the iron kettle.