Water treatment seriesSuspension packingSphere suspension packingThe sphere suspension packing is called Multi-hole revolving spheral suspended packing. The packing is made of polyethylene and divided into double layer sphere. The exterior is fish netlike sphere, the interior is revolving sphere. In the using process, the microorganism produces film quickly, the creature film sheds off easily , anti-acid and alkali, resists aging , a little influences with the current, long lifetime, a little mud remaining, easily installation.