1 is with the eyes, the earnest observation, to be upward, downward, inward, outward, observes it again. See porcelain glaze, whether bright and clean and smooth, no scratch and piercing, etc.; It remains to be seen whether shapes, neat, have without deformation; Finally look at the bottom of the porcelain, whether level off, when placed in the ground is smooth.
2 it is listening with ears, attacking play and porcelain, whether the sound is ringing, pleasant, if it is, is porcelain body meticulous close-grained, no crack damage. If the sound of the dumb, not crisp, illustrate the tableware is not perfect, may have crack damage porcelain body.
3 is the comparison, to form a complete set of China, to compare various accessories, whether its modelling and decoration is coordinated. Especially the complete set of blue and white or blue and white porcelain exquisite, because the blue and white colour on different sintering temperature are changing, so is blue and white porcelain, with dark and light color has a, a few or even dozens of complete sets of cold porcelain, such as each piece of blue and white colour has obvious difference, the porcelain is far less.
4 is to cover, rigged, and test. To buy things, of course, want to try, don't try at the surface, home to just know the problem is in trouble, specially selected ceramic tableware to try first, after all, the more expensive price. Want to try first cover, some porcelain with a lid, so let's try the lid can cover, size appropriate; If China is made up by several components, will try to assemble a component to see if appropriate. And other functions, also want to test it first, look to whether normal, conform to the standard.