Our floor cleaners contain sodium laureth sulfate, dipropylene glycol methyl ether. It can easily remove all kinds of stubborn stains. Its use method is very simple: clean up the debris and dust on the floor surface, dilute the detergent and water according to the ratio of 1:100, dip the sponge into the mixture, wipe the stain repeatedly, and wipe the floor with a rag. And can clean the floor stubborn stains.