The bottom of floor paint is coated with curing agent, and there are the following products: HF-302, HF-303, HF-501, HF-502, HF-502-1, available in 100:50 and 100:100. Face fixed HF-601 and HF-602. Among them, HF-502-1 is our main solvent-free midsole curing agent, which meets the new national standard.