Company more than the industry elite and university research institutes, nearly 20 years of development experience, according to market development needs, research and development production of sulphur-free formula calcium zinc series thermal stabilizer products, compared with other similar products in the process of actual production application show the add weight less, no peculiar smell, and environmentally better long-term liquidity, color stability, heat resistance, processing, light weathering resistance, electrical insulation, and the advantages of resistance to precipitation, plasticizing temperature is low, at the same time the product can effectively inhibit PVC thermal decomposition, achieve enhanced, toughening, increase the surface brightness.