Water treatment seriesBuilt-in suspension packingSuspension packingBuilt-in suspension packing is made up of gridding sphere shell and inner installed carrier. The shell body is molded by shell macromolecule polymer. The surface of the sphere like gridding opening hole. The material of the inner installed carrier is aldehyde vinylon silk and polyethylene flat silk. This product can be applied for many fields, such as the waste water treatment of chemical engineering , textile , printing and dyeing , pharmacy , paper making , food processing and the living sewage treatment .