Welcome to Hengjun sponge whom are professional in the aquarium manufacture in China.Our factory was founded in 2016.After these year development ,we are become a competitive supplier in aquarium area.Our main products are :Filter Sponge, Bio Sponge,Gutter Filter Foam,Aquarium polyurethane Sponge ,Filter Brush,Aquarium Brush,Furniture Fast Dry Foam,Household Sponge,Active Carbon and so on.....Our business has reached more than 20 countries .In the near future,We hope we will be a good friendly business relation to help you to establish your market.