A review.The development course of PVC industry developed from scratch in China in the past 50 years was introduced.It was indicated that the innovation of converter and distillation column created the modern production facility of vinyl chloride, and the utilization of carbide slag slurry, the successful development of dry-process acetylene generator, the recovery of rectified tail gas and application of high effective and low-mercury content catalyst made the production of carbide based vinyl chloride step into track of recycling economy.Based on continuous introducing, assimilating, absorbing and innovating technologies, the continuous diversification of vinyl chloride sources, polymerization methods and product varieties, and the independent development in large scale polymerization reactors and their matching technologies, our country had become a large country in PVC production
