... K2O, Na2O, TiO2, P2O5 and MnO, still contain animal all the major elements, such as: K, Na, Ca, Mg, Cu, Mo ... (20feet) Features: Strong adsorption force Medical stone for water purification The effectiveness of medical stone is used to feed ... Company Information Our factory was founded in 2005, the specialty is engaged in research, production water purifier filter. ...