Group 1 - The project involves the successful installation of a 82.5-ton THF product refining tower for the BioPTMEG project, which has a capacity of 500,000 tons per year [1] - The installation utilized a single main hoisting method with a 400-ton crawler crane and a 150-ton crawler crane, ensuring efficient progress despite adverse weather conditions [1] - The project is located in the Jiangsu Qidong Lusi Port Economic Development Zone, covering an area of 650 acres, and aims to produce 500,000 tons of bio-based polytetramethylene ether glycol and 20,000 tons of tetrahydrofuran annually [1] Group 2 - The project uses corn husks to produce furfural as the main raw material, employing a self-developed BioPTMEG process [1] - Compared to traditional petroleum-based PTMEG, the project can reduce raw material costs by over 30% and decrease carbon emissions by 40% [1]