Key Milestones
  • 1993.12-Predecessor of the company
    Shanghai Lianfu Chemical Solvent Co., Ltd. was established, affiliated to Shanghai Petrochemical Co., Ltd.
  • 2007.9-Company restructuring
    Restructuring of Lianfu Solvent to Shanghai Liansheng Chemical Co., Ltd.
  • 2008.5-Comprehensive Utilization
    Cooperating with Sinopec Shanghai Petrochemical to carry out PTA residue comprehensive utilization project
  • 2012.5-Equipment transformation
    Invested 27 million yuan to transform the production equipment and produce polyester rigid foam
  • 2013.9-PTA base
    Shanghai Environmental Protection Bureau PTA residue comprehensive utilization production enterprise
  • 2015.7-SIPE
    Batch supply of Shanghai Petrochemical SIPE; device upgrade and transformation
  • 2019.9-Hazardous Waste Qualification
    Shanghai Hazardous Waste Business License
  • 2020.11-Equipment Upgrade
    Tank Area, Exhaust System, Wastewater System Transformation
  • 2022.10-Business Expansion
    Business Cooperation with Internationally Renowned Enterprises
  • 2023.9-Project Landing
    Won the Shanghai High-tech Achievement Transformation Project
  • 2024.5-Capacity Expansion
    The main equipment reaction flask and supporting projects of the 60,000-ton aromatic polyester polyol expansion project were successfully installed
  • 2024.8-Standardization
    The industry standard "Polyester Polyols Made from Purified Terephthalic Acid (PTA) Residue" formulated by Shanghai Liansheng was officially implemented on July 1, 2024