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