MgSO4·7H2O, or magnesium sulfate heptahydrate, is a popular fertilizer used in agricultural applications all over the world. With 7 water molecules bound to every molecule of magnesium sulfate, this fertilizer provides plants with both magnesium and sulf
This is a door made of ecological wood. Ecological wood is actually a kind of plastic synthetic material, which belongs to a kind of artificial wood. Ecological wood is a mixture of resin and wood fiber materials and polymer materials in a certain proport