With the continuous improvement of people's living standards, efficient, convenient and intelligent home appliances are also favored. These products are not only rich in styles and functions, but also more safe, environmentally friendly and easy to clean. Products that need to be in direct contact with food have higher safety requirements for raw materials. While polysulfone and transparent nylon have excellent properties,such as: high transparency, BPA-free, and good acid and alkali corrosion resistance, can be repeatedly sterilized, meet different processing technology and many other advantages, these properties make it a new favorite material in the small household appliance industry.