1. Mother of pearl is growth in the lake of China mainland, about 2 years later they will embed pearl seeds, and then continuously breed them for 4-8 years. When the clam has been growth up, they will be sold and killed by the professional people for getting the pearls out. Hence, the unuseful shells will re-sell to some mosaic factories for processing to different kind of products. Including Flower shell, seaflower shell and colorful shell.

3. Blacklip Mother of pearl is growth in the deep sea , about 2 years later they will embed pearl seeds, and then continuously breed them for 4-8 years. When the clam has been growth up, they will be sold and killed by the professional people for getting the pearls out. Hence, the unuseful shells will re-sell to some mosaic factories for processing to different kind of products.

5.Abalone shell is growth in the deep sea ,it’s mainly used to eat. After eating,the unuseful shells will re-sell to some mosaic factories for processing to different kind of products.

7. Penguin shell is growth in the deep sea , After eating,the unuseful shells will re-sell to some mosaic factories for processing to different kind of products.