The bch product is the brand of hunankor biotechnology ltd. Coal biology has established close technical cooperation with lean multilateral international ltd., while the united states federal health research centre (nih) has introduced the internationally ranked prophylactic bacterial formulation technology into china, and, as a result of its domestic redevelopment, cole has declared a patent for inventions in its unique “breath-breath-breathing technology”. The technology has broken the ice-capture bottleneck for the industrial extension of functional research into the fungi. Companies have always focused on technology as their core competitiveness, quality as their business life and public health as their corporate mission. It focuses on research on prophylactic techniques, the promotion of prophylactic knowledge and the development of prophylactic products。