Lightweight High-quality Ceramic Particles 1.Anti-stress 2800kfg 2.Hardness 6 3.Adsorption rate 100% Lightweight High-quality Ceramic Particles Ceramic filter with high-quality clay, clay, solvent viscosity by the group grinding, screening, calcining processing, with a hard surface, the internal porous, high porosity and other characteristics. The aerobic activated sludge as inoculation, water ...