Because it is a product without a brand name, and it is approved by the state, no patent or certificate is needed.
Sodium hypochlorite disinfectant is a kind of disinfectant with very strong bactericidal ability. Its main component is sodium hypochlorite, and its bactericidal rate can reach 99.9% in 30 seconds, which can also play a good role in some bacteria in COVID-19. It is a pale yellow colorless liquid.