Silk is a natural protein fiber obtained from silkworm spinning. Natural silk is obtained by putting the cocoon in boiling water to boil the cocoon in boiling water and then spinning the cocoon after the cocoon is formed before the feather becomes adult. Yinsang has cocoon cooking equipment and the secret of cocoon cooking technology. With strict control of the cocoon cooking temperature, it can obtain high-quality cooked cocoons with bright colors. In addition, Silver-silk's female workers with more than decades of rich experience operate peeling cocoons, which guarantees the quality of silk to a large extent.