SCEI has researched, developed and possessed the following technologies:
* Vinylidene Chloride (VDC) Process Development
* Hydrogen Boiler Technology
* "Suspension Method"PVC Process and Crucial Equipment Technology
* Energy-saving EDC Cracking Process Technology
* Heat-integrated Energy-saving EDC Refining Process Technology
* "EDC from Direct-chlorination of Ethylene"Technology
* HCl Recovery System

SCEI has following research and development institutes:
* Chemical Process Research and Development Division (jointly-established by SCEI and Shanghai Chlor-Alkali Chemical Co. Ltd.)
* Chemical Process Research and Development Institute (jointly-established by SCEI and Zhejiang University)
* Chemical Process Simulation and Optimization Research and Development Division of Technological Institute of Shanghai Hua Yi (Group) Co.