The clay materials for limin's own pots are all selected by himself in the mud mine. The process of mud selection can be compared with gold panning. Piles of mud are not selected, and he often goes home empty-handed. Occasionally, in that casual corner, he found a little bit of desirable mud, took it home, labeled it separately, stored it in the open air, let it taste bad, thoroughly decomposed it, then ground it into mud with a stone mill, filtered it with a sieve, and re-ground it. Keep improving, it can be said that there is essence in essence. His unique skills of holding and making pots can be said to be ingenious. Why did he choose this method? He said that the pot is both practical and ornamental. Besides making tea, it can also be held in your hand for people to enjoy. So the feeling in your hands is very important. It is this persistent creative spirit that made him design and produce one purple sand craft after another.