Profile: Senior Industry Co.,Ltd. supplies products to the plastic processing, metal producing, foundry, mining, power plant, water treatment, waste water treatment, air pollution control and environmental management industries. Our products include tower packing in ceramic, metal and plastic, honeycomb ceramic for the environment-friendly industry, ceramic foam filters for the foundry industry, grinding media including medium alumina grinding balls, molecular sieves, activated alumina and other sorbent & desiccant agents. We are an ISO 9001-2000 certified company. Cordierite is a magnesium alumina silicate material, which has very low linear expansion, low coefficient of thermal expansion and excellent resistance to thermal shock. They are divided into two types, porous type and compact type. Inert ceramic balls have the advantages of high strength, high stabilities to chemical and thermal circumstances. It can be resistant to acid, alkali, salt and all organic solvents. It is used as a support & a covering material in oil refinery, chemical, fertilizer, natural gas and environmental protection industries. It can improve the distribution of gas & liquid and, support & protect the activating catalyst from shocking by the rushing fluids.