What is the preparation of intelligent black bubble shield?

Foam shielding refers to the toilet with foam shielding technology, which is composed of foaming agent, water and air. Foam shielding is a technology applied to toilet seat. This technology is applied to the toilet. When spraying water, the center of the nozzle of the toilet cover will spray foam in advance to cover the water surface of the water outlet, which can effectively prevent foam from splashing on the buttocks. Foam shield technology is a patented technology introduced by Convenience Bao on 20 16.